CN201802385U - Cable head for quickly connecting and separating logging cable and downhole instrument - Google Patents
Cable head for quickly connecting and separating logging cable and downhole instrument Download PDFInfo
- Publication number
- CN201802385U CN201802385U CN2010205202702U CN201020520270U CN201802385U CN 201802385 U CN201802385 U CN 201802385U CN 2010205202702 U CN2010205202702 U CN 2010205202702U CN 201020520270 U CN201020520270 U CN 201020520270U CN 201802385 U CN201802385 U CN 201802385U
- Authority
- CN
- China
- Prior art keywords
- cable
- head
- cylindrical
- release lever
- steel ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000005485 electric heating Methods 0.000 claims description 25
- 210000002445 nipple Anatomy 0.000 claims description 21
- 230000000295 complement effect Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 description 34
- 229910045601 alloy Inorganic materials 0.000 description 34
- 238000009413 insulation Methods 0.000 description 12
- 239000004519 grease Substances 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 101100042676 Mus musculus Skap2 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Landscapes
- Cable Accessories (AREA)
Abstract
The utility model discloses a cable head for logging cable and instrument high-speed joint in pit and separation relates to cable joint technical field in the oil drilling, including electrical heating unit and the instrument interface unit of being connected with electrical heating unit one end the other end of electrical heating unit is connected with the release unit, the release unit includes protection spring, release lever, prevents changeing shear screw, steel ball lock sleeve, steel ball, sealing joint, release cover, cable taper sleeve and salvages the head, the utility model provides a when the instrument meets the card, the cable head can't be pulled out, leads to the technical problem that the cable breaking condition takes place. And simultaneously, the utility model discloses can also realize the quick separation of cable and instrument in the pit under the prerequisite that does not harm the cable.
Description
Technical field
The utility model relates to cable connector technical field in the oil drilling, exactly relates to a kind of cable connector that logging cable and downhole instrument are connected and separate fast that is used for.
Background technology
In the prior art, in order to understand the down-hole situation of the oil gas well of going into operation, actual according to producing, need irregularly the down-hole situation to be tested, the logger that uses when implementing test need adopt private cable with the tester G.I.H, is generally single-core cable at the employed cable of production logging technical field.
Cable head (being commonly called as head harness) be cable with the downhole logging instrument device between be connected special equipment, the single-core cable head is now used in Petroleum Production well logging field, it mainly comprises electric heating unit and the tool interface system unit that is connected with electric heating unit, as notification number is 201013362, the day for announcing is that the Chinese patent literature on January 30th, 2008 discloses a kind of special-purpose linkage logging cable head harness that is used between oil well logging instrument and the logging cable, comprise the interface section, safe falling part, and signal hop.Above-mentioned three parts all place cable head harness shell, it is characterized in that: the interface section is positioned at cable head harness two ends, connects the torpedo interface end soon and links to each other with the safety falling part; Safe falling part lower end links to each other with the tool interface system end.The signal hop is by prap, holding wire, capsule and cross line tube realization signal transmission and sealed insulation performance.Effect is: realize that connecing the torpedo male soon is connected firmly with the cable head harness.Shortened cable head harness length, improved its reliability, reduced frequency of maintenance, convenient for maintaining improves instrument reliability.
But the cable head of this structure mainly contains following weak point: the one, and no cable awl frame, what adopt is the mode of metal gasket voltage cable steel wire, in case instrument is met card, if want cable is pulled out from cable head, its size of exerting oneself is calculated data accurately, cable may be broken; The 2nd, cable head does not have initiatively releasing device, can not realize separating of cable and downhole instrument under the prerequisite of not damaging cable.
The utility model content
For solving the problems of the technologies described above, the utility model proposes a kind of cable head that logging cable and downhole instrument are connected and separate fast that is used for, the utility model has solved when instrument is met card, and cable head can't be pulled out, and causes cable to break the technical problem that situation takes place.Simultaneously, the utility model can also be realized separating fast of cable and downhole instrument under the prerequisite of not damaging cable.
The utility model is realized by adopting following technical proposals:
A kind ofly be used for the cable head that logging cable and downhole instrument are connected and separate fast; comprise electric heating unit; with the tool interface system unit that is connected with electric heating unit one end; it is characterized in that: the other end at described electric heating unit is connected with releasing unit; described releasing unit comprises the protection spring; release lever; the anti-rotation shear screw; the steel ball lock tube; steel ball; seal nipple; discharge cover; cable tapered sleeve and fishing head; wherein: the lower end of protection spring is connected in the spiral grooves of release lever; release lever links to each other with fishing head by the anti-rotation shear screw; release lever links to each other with the release cover by steel ball; release lever is provided with the through hole as cable passage; the lower end of through hole is taper; the size of through hole and used cable tapered sleeve are complementary; steel ball is arranged in the steel ball lock tube; the size of fishing head is complementary with corresponding fishing tool; the upper end of fishing head links to each other with release lever with the anti-rotation shear screw, and the lower end box thread links to each other with seal nipple.
Described protection spring is a spirality.
Described release lever profile is cylindrical.
Described steel ball lock tube profile is cylindrical.
Described seal nipple profile is cylindrical, and three through holes are arranged vertically, and stayed mast is housed in the central through hole, and all the other two holes are used to install the wiring contact pin.
Releasing unit also includes the pin that rises, and the profile of the pin that rises is cylindrical, is used to discharge being connected of cover and stayed mast under normal conditions.
Described release cover profile is cylindrical, is provided with axial manhole, links to each other with release lever by steel ball.
Described fishing head profile is cylindrical, is provided with axial manhole.
Described electric heating unit is a prior art, also can adopt following structure: the electric heating unit profile is cylindrical, comprises to split swivel nut, O-ring seals, alloy urceolus, alloy, slider, axle sleeve, positioning key, circuit skeleton, balance slurry channel, stop pin, soket head cap screw, rapid heater, shell, stayed mast; It is cylindrical splitting the swivel nut profile, is the seal nipple of releasing unit and the linkage between shell; The alloy urceolus is cylindrical, and dress is used alloy in its axial bore, and excircle is equipped with rapid heater; Alloy is the alloy commonly used in this area, is contained in the outer bucket of alloy; Slider is contained between alloy and the alloy urceolus; The axle sleeve profile is cylindrical, and axial centre blind hole and two axially extending bores that were used for line are arranged, and the lower end of stayed mast places this blind hole; Positioning key is connected on the shell with screw; The mud balance channel is two circular apertures on the shell; Stop pin is the cylindrical pin that can prevent that stayed mast from rotating with respect to axle sleeve, and rapid heater is this area heater commonly used, and profile is a spirality; The profile of shell is cylindrical, and axial manhole is arranged, and the upper end links to each other with the seal nipple of releasing unit by splitting swivel nut, and the lower end male thread links to each other with the helmet of tool interface system unit; The stayed mast profile is cylindrical, and the upper end links to each other with the release cover of releasing unit by the pin that rises, and middle hypomere melts admittedly in alloy, and the lower end places in the central blind hole of axle sleeve.
Described tool interface system unit is a prior art, also can adopt following structure, and its profile is cylindrical, comprises insulation sleeve, O-ring seals, helmet, single core contact pin, power spring; The insulation sleeve profile is cylindrical, and axially extending bore is arranged, and this through hole is used to install power spring and single core contact pin, and insulation sleeve is installed in the lower end circular port of shell of electric heating unit; The helmet profile is cylindrical, and the upper end box thread links to each other with the shell of electric heating unit.
The O shape sealing fist that uses in the technical program, screw etc. are standard component.
Compared with prior art, the beneficial effects of the utility model show:
1, because the utility model adopts the other end at electric heating unit to be connected with releasing unit; described releasing unit comprises protection spring, release lever, anti-rotation shear screw, steel ball lock tube, steel ball, seal nipple, release cover, cable tapered sleeve and fishing head; such technical scheme; can realize that cable is connected with the quick of production logging instrument; again can be where necessary; under the prerequisite of not damaging cable, realize separating of logging cable and downhole instrument; solved when instrument is met card; cable head can't be pulled out, and causes cable to break the technical problem that situation takes place.
2, the utility model adopts release lever to link to each other with fishing head by the anti-rotation shear screw, can effectively prevent the rotation of release lever.
3, in the utility model, steel ball lock tube profile is cylindrical, can effectively prevent release lever under normal conditions and discharge separating of cover.
4, in the utility model, the pin profile that rises is cylindrical, is used to discharge being connected of cover and stayed mast under normal conditions.
Description of drawings
The utility model is described in further detail below in conjunction with specification drawings and specific embodiments, wherein:
Fig. 1 is an assembly structure schematic diagram of the present utility model
Mark among the figure:
1; the protection spring, 2; release lever, 3; the anti-rotation shear screw; 4; the steel ball lock tube, 5; steel ball, 6; first O-ring seals; 7; the silicone grease screw, 8; seal nipple, 9; split swivel nut; 10; second O-ring seals, 11; the alloy urceolus, 12; alloy; 13; separation sleeve, 14; axle sleeve, 15; first positioning key; 16; second positioning key, 17; the circuit skeleton, 18; insulation sleeve; 19; the 3rd O-ring seals, 20; helmet, 21; single core contact pin; 22; power spring, 23; the balance slurry channel, 24; stop pin; 25; soket head cap screw, 26; rapid heater, 27; shell; 28; stayed mast; 29; copper ground wire sealing-plug, 30; the pin that rises, 31; discharge cover; 32; the cable tapered sleeve, 33; fishing head.
The specific embodiment
Embodiment 1
The utility model preferred forms is as follows: Fig. 1 comprises releasing unit, electric heating unit, tool interface system unit.The releasing unit profile is cylindrical, comprises protection spring 1, release lever 2, anti-rotation shear screw 3, steel ball lock tube 4, steel ball 5, O-ring seals 6, silicone grease screw 7, seal nipple 8, copper ground wire sealing-plug 29, the pin 30 that rises, discharges cover 31, cable tapered sleeve 32, fishing head 33; Protection spring 1 is a spirality, and the lower end is connected in the spiral grooves of release lever 2; Release lever 2 profiles are cylindrical, link to each other 33 by anti-rotation shear screw 3 with fishing head, link to each other with release cover 31 by steel ball 5, release lever 2 is processed with cylindrical hole, this through hole is as cable passage, and the through hole lower end is taper, and its size and used cable tapered sleeve 32 are complementary; Anti-rotation shear screw 3 can effectively be prevented the rotation of release lever; Steel ball lock tube 4 profiles are cylindrical, can effectively prevent release lever 2 under normal conditions and discharge separating of cover 31; Steel ball 5 be used to be connected release lever 2 with discharge cover 31; Silicone grease spiral shell screw 7 can prevent effectively that silicone grease is excessive; Seal nipple 8 profiles are cylindrical, and three through holes are arranged vertically, and stayed mast 28 is housed in the central through hole, and all the other two holes are used to install the wiring contact pin; Pin 30 profiles that rise are cylindrical, are used to discharge being connected of cover 31 and stayed mast 28 under normal conditions; It is cylindrical discharging cover 31 profiles, and axial manhole is arranged, and links to each other with release lever 2 by steel ball 5; Fishing head 33 profiles are cylindrical, and axial manhole is arranged, and its size is complementary with corresponding fishing tool, and fishing head 33 upper ends link to each other with release lever 2 with anti-rotation shear screw 3, and the lower end box thread links to each other with seal nipple 8.The electric heating unit profile is cylindrical, comprises to split swivel nut 9, O-ring seals 10, alloy urceolus 11, special alloy 12, slider 13, axle sleeve 14, positioning key 15,16, circuit skeleton 17, balance slurry channel 23, stop pin 24, soket head cap screw 25, rapid heater 26, shell 27, stayed mast 28; It is cylindrical splitting swivel nut 9 profiles, is the linkage of 27 on the seal nipple 8 of releasing unit and shell; Alloy urceolus 11 is cylindrical, dress special alloy 12 in its axial bore, and excircle is equipped with rapid heater 26; Special alloy 12 customizes from specialized factory through oneself design back, have fusing point low, solidify fast characteristics, be contained in the alloy urceolus 11; Slider 13 is a kind of synthetic materialss, has fire-retardant, heat insulation function, is contained between special alloy 12 and the alloy urceolus 13; Axle sleeve 14 profiles are cylindrical, and axial centre blind hole and two axially extending bores that were used for line are arranged, and the lower end of stayed mast 28 places this blind hole; Positioning key 15 usefulness screws are connected on the shell, are used for the installing and locating of axle sleeve 14, circuit skeleton 17; Mud balance channel 23 is two circular apertures on the shell, can effectively reduce the extruding of pit shaft inner fluid to shell; Stop pin 24 is cylindrical pins, can prevent the rotation of stayed mast 28 with respect to axle sleeve 14; From specialized factory's customization, profile is a spirality to rapid heater 26 after oneself designs, and has and heats fast, high reliability features; The profile of shell 27 is cylindrical, and axial manhole is arranged, and the upper end links to each other with the seal nipple 8 of releasing unit by splitting swivel nut 9, and the lower end male thread links to each other with the helmet 20 of tool interface system unit; Stayed mast 28 profiles are cylindrical, and the upper end links to each other with the release cover 31 of releasing unit by the pin 30 that rises, and middle hypomere melts admittedly in special alloy 12, and the lower end places in the central blind hole of axle sleeve 14.Tool interface system unit profile is cylindrical, comprises insulation sleeve 18, O-ring seals 19, helmet 20, single core contact pin 21, power spring 22; Insulation sleeve 18 profiles are cylindrical, and axially extending bore is arranged, and this through hole is used to install power spring 22 and single core contact pin 21, and insulation sleeve 18 is installed in the lower end circular port of shell 27 of electric heating unit; Helmet 20 profiles are cylindrical, and the upper end box thread links to each other with the shell 27 of electric heating unit.
When RWCH-38 electrical heating type single-core cable can be released cable head and dispatches from the factory its electric heating unit, tool interface system unit etc. all by the relevant industries standard install, debugging finished, the user performs behind the cable tapered sleeve fishing bell and seal nipple connected and gets final product.By the control of floor panel, RWCH-38 electrical heating type single-core cable can be released cable head " well logging " and " heating discharges " two kinds of mode of operations; Under " well logging " pattern, this cable head is used to realize being connected between land cable and downhole instrument.When downhole instrument is met card, if need to realize that logging cable separates with the not damaged of downhole instrument, can allow RWCH-38 electrical heating type single-core cable can release cable head and work in " heating release mode ", on ground after rapid heater was powered about 8 minutes, the special alloy fusing, use less than portable cable on 200 kilograms the power this moment, and release lever will break away from the release cover, and release lever is recovered to ground with cable.After the RWCH-38 electrical heating type single-core cable of down-hole can be released cable head and be recovered to ground, after under " heating release mode " special alloy being heated about 8 minutes, in push away release lever, release lever just can be realized being connected with the release cover by steel ball, treat special alloy solidify after this cable head return to normality, can utilize once more.
Embodiment 2
As another better embodiment of the utility model: a kind ofly be used for the cable head that logging cable and downhole instrument are connected and separate fast; comprise electric heating unit; with the tool interface system unit that is connected with electric heating unit one end; the other end at described electric heating unit is connected with releasing unit; described releasing unit comprises protection spring 1; release lever 2; anti-rotation shear screw 3; steel ball lock tube 4; steel ball 5; seal nipple 8; discharge cover 31; cable tapered sleeve 32 and fishing head 33; wherein: the lower end of protection spring 1 is connected in the spiral grooves of release lever 2; release lever 2 links to each other with fishing head 33 by anti-rotation shear screw 3; release lever 2 links to each other with release cover 31 by steel ball 5; release lever 2 is provided with the through hole as cable passage; the lower end of through hole is taper; the size of through hole and used cable tapered sleeve 32 are complementary; steel ball 5 is arranged in the steel ball lock tube 4; the size of fishing head 33 is complementary with corresponding fishing tool; the upper end of fishing head 33 links to each other with release lever 2 with anti-rotation shear screw 3, and the lower end box thread links to each other with seal nipple 8.Described protection spring 1 is a spirality.Described release lever 2 profiles are cylindrical.Described steel ball lock tube 4 profiles are cylindrical.Described seal nipple 8 profiles are cylindrical, and three through holes are arranged vertically, and stayed mast 28 is housed in the central through hole, and all the other two holes are used to install the wiring contact pin.Releasing unit also includes the pin 30 that rises, and the profile of the pin 30 that rises is cylindrical, is used to discharge being connected of cover 31 and stayed mast 28 under normal conditions.It is cylindrical that 31 profiles are overlapped in described release, is provided with axial manhole, links to each other with release lever 2 by steel ball 5.Described fishing head 33 profiles are cylindrical, are provided with axial manhole.Described electric heating unit is a prior art, also can adopt following structure: the electric heating unit profile is cylindrical, comprises to split swivel nut 9, O-ring seals, alloy urceolus 211, alloy 12, slider, axle sleeve 14, positioning key, circuit skeleton 17, balance slurry channel 23, stop pin 24, soket head cap screw 25, rapid heater 26, shell 27, stayed mast 28; It is cylindrical splitting swivel nut 9 profiles, is the linkage of 27 on the seal nipple 8 of releasing unit and shell; Alloy urceolus 211 is cylindrical, dress alloy 12 in its axial bore, and excircle is equipped with rapid heater 26; Alloy 12 is the alloys commonly used 12 in this area, is contained in the alloy 12 outer buckets; Slider is contained between alloy 12 and the alloy urceolus 211; Axle sleeve 14 profiles are cylindrical, and axial centre blind hole and two axially extending bores that were used for line are arranged, and the lower end of stayed mast 28 places this blind hole; Positioning key is connected on the shell 27 with screw; The mud balance channel is two circular apertures on the shell 27; Stop pin 24 is the cylindrical pins that can prevent that stayed mast 28 from rotating with respect to axle sleeve 14, and rapid heater 26 is this area heaters commonly used, and profile is a spirality; The profile of shell 27 is cylindrical, and axial manhole is arranged, and the upper end links to each other with the seal nipple 8 of releasing unit by splitting swivel nut 9, and the lower end male thread links to each other with the helmet 20 of tool interface system unit; Stayed mast 28 profiles are cylindrical, and the upper end links to each other with the release cover 31 of releasing unit by the pin 30 that rises, and middle hypomere melts admittedly in alloy 12, and the lower end places in the central blind hole of axle sleeve 14.Described tool interface system unit is a prior art, also can adopt following structure, and its profile is cylindrical, comprises insulation sleeve 18, O-ring seals, helmet 20, single core contact pin 21, power spring 22; Insulation sleeve 18 profiles are cylindrical, and axially extending bore is arranged, and this through hole is used to install power spring 22 and single core contact pin 21, and insulation sleeve 18 is installed in the lower end circular port of shell 27 of electric heating unit; Helmet 20 profiles are cylindrical, and the upper end box thread links to each other with the shell 27 of electric heating unit.
Claims (8)
1. one kind is used for the cable head that logging cable and downhole instrument are connected and separate fast; comprise electric heating unit; with the tool interface system unit that is connected with electric heating unit one end; it is characterized in that: the other end at described electric heating unit is connected with releasing unit; described releasing unit comprises protection spring (1); release lever (2); anti-rotation shear screw (3;) steel ball lock tube (4); steel ball (5); seal nipple (8); discharge cover (31); cable tapered sleeve (32) and fishing head (33); wherein: the lower end of protection spring (1) is connected in the spiral grooves of release lever (2); release lever (2) links to each other with fishing head (33) by anti-rotation shear screw (3); release lever (2) links to each other with release cover (31) by steel ball (5); release lever (2) is provided with the through hole as cable passage; the lower end of through hole is taper; the size of through hole and used cable tapered sleeve (32) are complementary; steel ball (5) is arranged in the steel ball lock tube (4); the size of fishing head (33) is complementary with corresponding fishing tool; the upper end of fishing head (33) links to each other with release lever (2) with anti-rotation shear screw (3), and the lower end box thread links to each other with seal nipple 8.
2. logging cable and the cable head that downhole instrument is connected and separates fast of being used for according to claim 1 is characterized in that: described protection spring (1) is a spirality.
3. logging cable and the cable head that downhole instrument is connected and separates fast of being used for according to claim 1 is characterized in that: described release lever (2) profile is cylindrical.
4. logging cable and the cable head that downhole instrument is connected and separates fast of being used for according to claim 1 is characterized in that: described steel ball lock tube (4) profile is cylindrical.
5. according to claim 1ly be used for the cable head that logging cable and downhole instrument are connected and separate fast, it is characterized in that: described seal nipple (8) profile is cylindrical, three through holes are arranged vertically, stayed mast (28) is housed in the central through hole, and all the other two holes are used to install the wiring contact pin.
6. according to claim 1ly be used for the cable head that logging cable and downhole instrument are connected and separate fast, it is characterized in that: releasing unit also includes the pin that rises (30) that is connected that is used for discharging cover (31) and stayed mast (28), and the profile of the pin that rises (30) is cylindrical.
7. logging cable and the cable head that downhole instrument is connected and separates fast of being used for according to claim 1 is characterized in that: described release cover (31) profile is cylindrical, is provided with axial manhole, links to each other with release lever (2) by steel ball (5).
8. logging cable and the cable head that downhole instrument is connected and separates fast of being used for according to claim 1 is characterized in that: described fishing head (33) profile is cylindrical, is provided with axial manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205202702U CN201802385U (en) | 2010-09-07 | 2010-09-07 | Cable head for quickly connecting and separating logging cable and downhole instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205202702U CN201802385U (en) | 2010-09-07 | 2010-09-07 | Cable head for quickly connecting and separating logging cable and downhole instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201802385U true CN201802385U (en) | 2011-04-20 |
Family
ID=43871890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205202702U Expired - Fee Related CN201802385U (en) | 2010-09-07 | 2010-09-07 | Cable head for quickly connecting and separating logging cable and downhole instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201802385U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9033038B2 (en) | 2012-08-23 | 2015-05-19 | Baker Hughes Incorporated | Speed control devices and methods for drop down tools |
| CN106014312A (en) * | 2016-06-30 | 2016-10-12 | 中石化石油工程技术服务有限公司 | Pump-out storage type fusing releaser special for logging |
| CN106089111A (en) * | 2016-06-21 | 2016-11-09 | 王永志 | A kind of instrument and the quick connecting short section of cable |
| CN108729899A (en) * | 2018-05-09 | 2018-11-02 | 刘刚 | Multi-functional borehole log bridle |
| CN112145160A (en) * | 2020-08-21 | 2020-12-29 | 中石化石油工程技术服务有限公司 | Salvageable source side-mounted neutron instrument |
| CN112576202A (en) * | 2020-12-14 | 2021-03-30 | 西安威尔格德能源技术有限公司 | Physical isolation release nipple joint for perforation tool string |
| CN113889788A (en) * | 2021-06-30 | 2022-01-04 | 四川大学 | Prevent changeing compression pretension butt joint well core rod electric installation |
| CN116220592A (en) * | 2021-12-03 | 2023-06-06 | 中国石油天然气股份有限公司 | Diameter protection releaser for downhole pressure tester |
-
2010
- 2010-09-07 CN CN2010205202702U patent/CN201802385U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9033038B2 (en) | 2012-08-23 | 2015-05-19 | Baker Hughes Incorporated | Speed control devices and methods for drop down tools |
| CN106089111A (en) * | 2016-06-21 | 2016-11-09 | 王永志 | A kind of instrument and the quick connecting short section of cable |
| CN106014312A (en) * | 2016-06-30 | 2016-10-12 | 中石化石油工程技术服务有限公司 | Pump-out storage type fusing releaser special for logging |
| CN108729899A (en) * | 2018-05-09 | 2018-11-02 | 刘刚 | Multi-functional borehole log bridle |
| CN108729899B (en) * | 2018-05-09 | 2021-11-23 | 刘刚 | Multifunctional logging bridle |
| CN112145160A (en) * | 2020-08-21 | 2020-12-29 | 中石化石油工程技术服务有限公司 | Salvageable source side-mounted neutron instrument |
| CN112145160B (en) * | 2020-08-21 | 2024-03-15 | 中石化石油工程技术服务有限公司 | A salvageable source side-mounted neutron instrument |
| CN112576202A (en) * | 2020-12-14 | 2021-03-30 | 西安威尔格德能源技术有限公司 | Physical isolation release nipple joint for perforation tool string |
| CN113889788A (en) * | 2021-06-30 | 2022-01-04 | 四川大学 | Prevent changeing compression pretension butt joint well core rod electric installation |
| CN113889788B (en) * | 2021-06-30 | 2023-05-23 | 四川大学 | Anti-rotation compression pre-tightening butt joint center rod conductive device |
| CN116220592A (en) * | 2021-12-03 | 2023-06-06 | 中国石油天然气股份有限公司 | Diameter protection releaser for downhole pressure tester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201802385U (en) | Cable head for quickly connecting and separating logging cable and downhole instrument | |
| CN204984395U (en) | Head harness can release | |
| EP0898046A2 (en) | Method and apparatus for releasably connecting a wireline to a downhole tool | |
| CN105840166B (en) | A kind of fractured horizontal well gas testing well-completing process using complete dissolvable bridge plug | |
| CN202325445U (en) | Cable transmission perforation multistage detonation control assembly | |
| CN102287153A (en) | Downhole releasable connector | |
| CN201851028U (en) | Cable head for connecting logging cable and downhole instrument | |
| CN202767972U (en) | Novel well-logging bridle directly connected with torpedo | |
| CN101509371A (en) | Petroleum borehole log bridle | |
| CN105507877B (en) | A kind of downhole perforation is hampered monitoring and solution | |
| CN203452702U (en) | Transmission tool for through-drill-rod open-hole well logging instrument | |
| DE112016007495T5 (en) | POWER-ACTIVATED THERMAL BATTERY FOR USE IN A BOREOILL | |
| CN203114162U (en) | Anti-trip anti-well-falling screw rod drilling tool | |
| CN203867540U (en) | High-temperature rotating pup joint logger assembly | |
| CN203081426U (en) | Safety cable head for horizontal well logging | |
| CN102606147B (en) | Formation testing while drilling instrument | |
| CN116006159B (en) | Monitoring device for gas storage monitoring well and application method thereof | |
| CN215927341U (en) | Perforation releasable releasing device | |
| CN108884708A (en) | Seal member and sacrifice mems for drill string | |
| CN112196476A (en) | Horizontal well cable clustering perforating gun string safety release device | |
| CN111997580B (en) | Recoverable fish bone instrument of increasing yield | |
| CN202467829U (en) | Mechanical water-finding water-plugging channeling-checking composite pipe column | |
| CN223374348U (en) | Releasable headstall | |
| CN2372449Y (en) | Quick compling perforation bridle | |
| CN207161249U (en) | Generating power downhole equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20170907 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |