CN107724971A - A kind of mechanical hoop locator and its application process - Google Patents

A kind of mechanical hoop locator and its application process Download PDF

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Publication number
CN107724971A
CN107724971A CN201711164049.0A CN201711164049A CN107724971A CN 107724971 A CN107724971 A CN 107724971A CN 201711164049 A CN201711164049 A CN 201711164049A CN 107724971 A CN107724971 A CN 107724971A
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CN
China
Prior art keywords
sensor block
housing
block
protruding parts
pressing plate
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.)
Granted
Application number
CN201711164049.0A
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Chinese (zh)
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CN107724971B (en
Inventor
李星星
隆世明
赵宏明
张清龙
马新东
米虎宁
张兴荣
闫宝泉
韩硕
冯江
宁远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China National Petroleum Corp
CNPC Chuanqing Drilling Engineering Co Ltd
Original Assignee
Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd
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Application filed by Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd filed Critical Changqing Downhole Operation Co of CNPC Chuanqing Drilling Engineering Co Ltd
Priority to CN201711164049.0A priority Critical patent/CN107724971B/en
Publication of CN107724971A publication Critical patent/CN107724971A/en
Application granted granted Critical
Publication of CN107724971B publication Critical patent/CN107724971B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/08Casing joints
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00Survey of boreholes or wells
    • E21B47/04Measuring depth or liquid level

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention provides a kind of mechanical hoop locator and its application process, including housing, circumferentially uniform intervals are fixed with multiple pressing plates to housing exterior walls, elongate holes are offered on each block pressur plate, elongate holes are embedded with sensor block, arc-shaped spring piece is lined between sensor block and housing, the arc top of arc-shaped spring piece contacts with sensor block, and the sensor block on pressing plate with being connected with hinge controlling organization.The hinge controlling organization is made up of aperture, bearing pin and groove, short side of the aperture along elongate holes is opened on sensor block and runs through sensor block, groove offers relative two on each block pressur plate, two ports of two groove difference respective apertures, bearing pin passes through aperture, and the both ends of bearing pin are overlapped in groove and can moving radially along housing.Sensor block upper and lower end face will not contact with pressing plate all the time, evaded sensor block lower surface or upper surface while box face is withstood in sensing protruding parts and withstood the risk that pressing plate easily produces sensing block self locking and bit freezing.

Description

A kind of mechanical hoop locator and its application process
Technical field
The invention belongs to oil gas field stimulation technology field, and in particular to a kind of mechanical hoop locator and its application side Method, it is one of underground operation tool important in petroleum-gas fiedl pressure break, acidizing treatment operation.
Background technology
Mechanical hoop locator is one of important tool commonly used in coiled tubing construction operation.The three of onsite application at present Wing formula locator, it is producing larger frictional resistance to be formed by the sensing projection of sensor block by tangling box face during hoop Pulling force pulse in tubing string, tubing string depth location is counted and positions by pulling force pulse.Locator sensor block is limited by pressing plate It is movable to be scheduled between housing 1 and pressing plate, and when locator crosses hoop, it senses projection and tangles box face, sensor block lower surface top On pressing plate, i.e. sensor block lower surface is bonded with pressing plate, and is bonded angle very little, is easily formed self-locking, is caused sensor block can not It is pressed down to be retracted into housing 1 and causes lock of tool drilling.For security risk existing for such a mechanical hoop locator, one is devised The hinge of the controllable sensor block range of movement of kind, avoids sensor block lower surface from being bonded with pressing plate, evades bit freezing risk.
The content of the invention
The purpose of the present invention is to overcome existing machinery hoop locator locking phenomenon to be present, causes sensor block to be pressed down The problem of being retracted into housing 1 or even causing lock of tool drilling.
Therefore, the invention provides a kind of mechanical hoop locator, including housing, housing exterior walls circumferentially consolidate by uniform intervals Surely there are multiple pressing plates, elongate holes are offered on each block pressur plate, elongate holes are embedded with sensor block, the sensor block and housing Between be lined with arc-shaped spring piece, the arc top of arc-shaped spring piece contacts with sensor block, and arc apical grafting contact is close to sensor block bottom, and institute Sensor block is stated with being connected with hinge controlling organization on pressing plate.
The hinge controlling organization is made up of aperture, bearing pin and groove, and the aperture is opened in along the short side of elongate holes On sensor block and run through sensor block, groove offers relative two, and 2 groove difference respective apertures on each block pressur plate Two ports, bearing pin passes through aperture, and the both ends of bearing pin are overlapped in groove and can moving radially along housing.
The bearing pin is the big Step Shaft of the small mid diameter of both ends diameter, and the width of groove is less than the diameter of aperture.
The pressing plate is fixed by screws on housing, and the both ends of elongate holes and the both ends of sensor block are set respectively on pressing plate There is step surface, sensor block is put into elongate holes, and both step surfaces mutually overlap.
The upper and lower side of sensing protruding parts is respectively equipped with chamfering inclined-plane, and the slope on upper chamfer inclined-plane in the middle part of the sensor block The gradient of the degree more than lower chamfer inclined-plane.
The surface spraying of sensing protruding parts has cobalt base hard alloy in the middle part of the sensor block.
A kind of application process of mechanical hoop locator, mechanical hoop locator are connected to tubing string lower end and with coiled tubings G.I.H, arc-shaped spring piece strut sensor block, and protruding parts is sensed after strutting and is attached on internal surface of sleeve pipe, upper lifting pipe post, machine Tool hoop locator moves upwards therewith, when sensing protruding parts in the hoop position of two section sleeve pipes, senses protruding parts Upper chamfer inclined-plane tangles box face, and box face pushes down sensing protruding parts, continues upper lifting pipe post, and will sense protuberance Position presses to housing until sensing protruding parts is fully retracted into internal surface of sleeve pipe, sense the up/down steps face of protruding parts respectively with pressing plate The up/down steps emaciated face of upper elongate holes is from the sensing protruding parts retraction housing of final all sensor blocks is interior and fits in sleeve pipe Inwall, when passing through collar by coiled tubing driving machinery hoop locator the change of pulling force judge tubing string depth position Put.
Beneficial effects of the present invention:
(1)Sensor block can both be rotated around bearing pin, while bearing pin can also be up and down in groove, and sensor block is protected in length Demonstrate,prove its upper and lower end face and do not produced with pressing plate and contacted.Such a structure is oblique by sensing protruding parts chamfering when sensor block crosses hoop Face produced hoop induction force with box face effect, and sensor block can only be rotated, even if bearing pin by bearing pin restriction effect around bearing pin Groove interior edge housing on pressing plate is radially movable, and sensor block upper and lower end face will not contact with pressing plate all the time, and it is convex to have evaded sensing Go out sensor block lower surface while box face is withstood at position(Or upper surface)Pressing plate is withstood easily to produce sensing block self locking and block The risk of brill.
(2)The elongate holes for placing spring leaf are machined with housing, the hole of elongate holes is wide to be slightly larger than spring leaf width, adds Spring leaf arc top so increases box face and squeezed close proximity to sensor block lower end after ensureing spring leaf placement during section chief's bar hole Arm of force during sensor block is pressed, is equal to the induction force increased when locator crosses hoop in pit shaft, is convenient to locator and visits section Hoop positioning.
(3)The specially treated means such as spraying are passed through in sensor block sensing protruding parts, make material hardness value at this very high, wear-resisting Performance is good, locator in sleeve pipe through long, constantly continuously remove, sensor block can reach less wear extent and reliable Work.
The present invention is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation of mechanical hoop locator.
Fig. 2 is the schematic diagram when sensor block of mechanical hoop locator is caught in hoop annular groove.
Fig. 3 is the schematic diagram when sensor block of mechanical hoop locator passes through hoop.
Fig. 4 is the schematic diagram of sensor block.
A portions in Fig. 3 are sensor block lower surface and pressing plate not contact position.
Description of reference numerals:1st, housing;2nd, pressing plate;3rd, bearing pin;4th, sensor block;5th, spring leaf;6th, screw;7th, sleeve pipe;8、 Hoop;9th, aperture;10th, groove;4.1st, upper chamfer inclined-plane;4.2 times chamfer inclined-planes;4.3rd, protruding parts is sensed.
Embodiment
Embodiment 1:
Present embodiments provide a kind of mechanical hoop locator as shown in Figure 1, including housing 1, the outer wall of housing 1 are circumferentially uniform Interval is fixed with multiple pressing plates 2, elongate holes is offered on each block pressur plate 2, elongate holes are embedded with sensor block 4, the sense Answer and arc-shaped spring piece 5 is lined between block 4 and housing 1, the arc top of arc-shaped spring piece 5 contacts with sensor block 4, and arc apical grafting contact is close The bottom of sensor block 4, and the sensor block 4 on pressing plate 2 with being connected with hinge controlling organization.
The design of mechanical hoop locator is as follows:More block pressur plates 2 are circumferentially uniform to be fitted on housing 1, outer after fitting It is constant that footpath is maintained as the external diameter value of housing 1, and strip hole is processed on pressing plate 2, sensor block 4, sensor block 4 and housing are just placed in hole Arc-shaped spring piece 5 is lined between 1, housing 1 is processed with pressing plate 2 using final external diameter identical tubing or bar.Sensor block 4 and pressure The hinge controlling organization connected on plate 2 has evaded sensor block lower surface while box face is withstood in sensing protruding parts(On or End face)Withstand the risk that pressing plate easily produces sensing block self locking and bit freezing.
Arc-shaped spring piece 5 is lined between sensor block 4 and housing 1, the arc top of arc-shaped spring piece 5 contacts with sensor block 4, arc bullet 5 another both ends of reed are pressed in the elongate holes on housing 1, press sensor block 4, and sensor block 4 can retract in housing 1, retraction During sensor block 4 extrude arc-shaped spring piece 5, the power revocation of pressing sensor block 4, sensor block 4 can reply in arc-shaped spring piece 5 again Strutted in the presence of power to outside housing 1.
It should be noted that the arc top of arc-shaped spring piece 5 contacts with sensor block 4, arc apical grafting contact is under sensor block 4 Portion, the above design the arm of force that can increase compression spring leaf, ensured to produce larger induction force during hoop.The hole of elongate holes Width is slightly larger than spring leaf width, and spring leaf arc top is close proximity under sensor block after ensureing spring leaf placement when processing elongate holes End, so increase box face extruding sensor block when the arm of force, be equal to increase locator in pit shaft cross hoop when Induction force, it is convenient to locator and visits hoop positioning.
Embodiment 2:
On the basis of embodiment 1, as shown in Figure 1, Figure 2 and Figure 3, the hinge controlling organization is by aperture 9, bearing pin 3 and groove 10 compositions, short side of the aperture 9 along elongate holes are opened on sensor block 4 and run through sensor block 4, and groove 10 is in each piece of pressure Relative two are offered on plate 2, and 2 grooves 10 distinguish two ports of respective apertures 9, bearing pin 3 passes through aperture 9, bearing pin 3 Both ends be overlapped in groove 10 and can moving radially along housing 1.
The upper end of sensor block 4 is laterally machined with aperture 9, on pressing plate 2 with the correspondence position of 4 aperture of sensor block 9 processing fluted 10, The width of groove 10 is slightly less than the diameter of aperture 9 on sensor block 4, and sensor block 4, pressing plate 2, the component of bearing pin 3 three turn into a hinge after loading Chain mechanism, sensor block 4 can rotate around bearing pin 3, while bearing pin 3 can also be radially up and down in 10 interior edge housing of groove 1.
It should be noted that matching somebody with somebody for insertion bearing pin 3 in aperture 9, hole and axle is combined into gap cooperation to ensure that bearing pin 3 can be certainly By rotating, after bearing pin 3 penetrates the aperture 9 on sensor block 4 during assembling, sensor block 4 is put into the strip hole on pressing plate 2, is put into While ensure bearing pin 3 be caught in the groove 10 on pressing plate 2, after assembling, sensor block 4 can both rotate around bearing pin 3, sell simultaneously Axle 3 can also be up and down in groove 10, and sensor block 4 ensures that its upper and lower end face does not produce with pressing plate 2 in length and contacted.This When sensor block 4 crosses hoop, sensor block 4 can only be rotated, even if bearing pin 3 is being pressed kind structure by the restriction effect of bearing pin 3 around bearing pin 3 The interior edge housing 1 of groove 10 on plate 2 is radially movable, and the upper and lower end face of sensor block 4 will not contact with pressing plate 2 all the time, evade sensing Sensor block lower surface while box face is withstood in protruding parts(Or upper surface)Withstand pressing plate easily produce sensing block self locking and The risk of bit freezing.
Embodiment 3:
On the basis of embodiment 2, the bearing pin 3 is the big Step Shaft of the small mid diameter of both ends diameter, and the width of groove 10 Less than the diameter of aperture 9.Bearing pin 3 is processed into Step Shaft broad in the middle small in ends, and wherein countershaft is just passed through aperture on sensor block 9, axle small in ends is just put into the groove 10 on pressing plate.Bearing pin 3 is machined with shoulder, thin ends and thick middle, and such bearing pin 3 will not Come off from pressing plate.
Embodiment 4:
On the basis of embodiment 1, the pressing plate 2 is fixed on housing 1 by screw 6, on pressing plate 2 both ends of elongate holes with The both ends of sensor block 4 are respectively equipped with step surface, and sensor block 4 is put into elongate holes, and both step surfaces mutually overlap.
After sensor block 4 is put into the strip hole of pressing plate 2, its step surface tangles the step surface of pressing plate 2 so as to ensure sensor block 4 from interior Activity is without dropping between housing 11 and pressing plate 2;Strip hole is processed on pressing plate 2, pressing plate 2 fits in the one side of housing 1 Middle strip hole upper and lower side processes a step surface, while sensor block 4 is processed into strip, and upper and lower side is also machined with step surface, protects Card sensor block 4 can be put into the strip hole of pressing plate 2 while both step surfaces mutually tangle, and sensor block 4 can only be in pressing plate 2 and housing 1 Between freely activity in space.
Embodiment 5:
On the basis of embodiment 1, as shown in the A portions in Fig. 4 and Fig. 3, the middle part of the sensor block 4 sensing protruding parts 4.3 Upper and lower side is respectively equipped with chamfering inclined-plane, and the gradient on upper chamfer inclined-plane 4.1 is more than the gradient on lower chamfer inclined-plane 4.2.
The gradient on upper chamfer inclined-plane 4.1 is steep, the gentle gradient on lower chamfer inclined-plane 4.2, ensures that instrument is suitable in pit shaft Sharp put on the ground is put and had obvious induction force when above putting forward hoop;Such a structure is when sensor block 4 crosses hoop 8, by sense Answer protruding parts chamfering inclined-plane to be acted on box face and produced hoop induction force, sensor block 4 is by the restriction effect of bearing pin 3, only meeting Rotated around bearing pin 3, even if groove 10 interior edge housing 1 of the bearing pin 3 on pressing plate 2 is radially movable, the upper and lower end face of sensor block 4 is all the time not It can be contacted with pressing plate 2, evade sensor block lower surface while box face is withstood in sensing protruding parts(Or upper surface)Withstand Pressing plate easily produces the risk of sensing block self locking and bit freezing.
After locator enters well with tubing string, when sensor block 4, which senses protruding parts, to be among internal surface of sleeve pipe, by sleeve pipe Internal diameter restrictions, sensor block 4, which is sensed after protruding parts 4.3 struts, to be attached on internal surface of sleeve pipe, and now sleeve pipe has equivalent to sensor block 4 The effect extruded into housing 1, same sensor block 4 can extrude arc-shaped spring piece 5, upper lifting pipe post, and locator moves with upward, When moving to the hoop position that the sensing protruding parts 4.3 of sensor block 4 is connected just at two sleeve pipes, because internal diameter is big at hoop In casing inner diameter, spring leaf outwards struts sensor block, and sensing protruding parts 4.3 touch hoop inwall, continues upper lifting pipe post, sense Answer block 4 up with continuing, sensor block 4 senses chamfer inclined-plane on protruding parts 4.3 and tangles box face, in ramp effect Under, sensing protruding parts is pressed towards in housing 1, and final all sensing protruding parts retraction housings 1 are interior and fit in internal surface of sleeve pipe, In the process, the support masterpiece of the frictional resistance and arc-shaped spring piece on chamfering inclined-plane and box face to sensor block need to be overcome Normal value is reverted to after being increased suddenly with the pulling force of, upper lifting pipe post, that is, shows as locator and cross hoop showing.
Embodiment 6:
On the basis of embodiment 5, the surface spraying of the middle part of the sensor block 4 sensing protruding parts 4.3 has cobalt base hard alloy. Sensor block sensing protruding parts makes material hardness value at this very high, anti-wear performance is good, positioning by specially treated means such as sprayings Device in sleeve pipe through long, constantly continuously remove, sensor block can reach less wear extent and reliably working.
Embodiment 7:
A kind of application process of mechanical hoop locator, mechanical hoop locator are connected to tubing string lower end and with coiled tubing tripping in In well, arc-shaped spring piece 5 struts sensor block 4, and protruding parts 4.3 is sensed after strutting and is attached on the inwall of sleeve pipe 7, upper lifting pipe post, Mechanical hoop locator moves upwards therewith, and when sensing protruding parts 4.3 in 8 position of hoop of two section sleeve pipes 7, sensing is convex Go out chamfer inclined-plane 4.1 on position 4.3 and tangle the end face of sleeve pipe 7, the end face of sleeve pipe 7 pushes down sensing protruding parts 4.3, continues upper lifting pipe Post, and sensing protruding parts 4.3 is pressed into housing 1 until sensing protruding parts 4.3 is fully retracted into the inwall of sleeve pipe 7, sensing protrusion The up/down steps face at position 4.3 is respectively with the up/down steps emaciated faces of elongate holes on pressing plate 2 from the sense of final all sensor blocks 4 Answer in the retraction housing 1 of protruding parts 4.3 and fit in the inwall of sleeve pipe 7, passed through by coiled tubing driving machinery hoop locator The change of pulling force judges tubing string depth location during collar.
In final all sensing protruding parts retraction bodies and internal surface of sleeve pipe is fitted in, in the process, chamfering need to be overcome The frictional resistance and arcuate bombing leaf of inclined-plane and box face are acted on the support force of sensor block, and the pulling force of upper lifting pipe post adds suddenly Normal value is reverted to after big, that is, shows as locator and cross hoop showing.
It is exemplified as above be only to the present invention for example, do not form the limitation to protection scope of the present invention, it is all It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.The portion that the present embodiment does not describe in detail The well-known components and common structure or conventional means of part and the structure category industry, are not described one by one here.

Claims (7)

1. a kind of mechanical hoop locator, including housing(1), housing(1)Circumferentially uniform intervals are fixed with multiple pressing plates to outer wall (2), each block pressur plate(2)On offer elongate holes, elongate holes are embedded with sensor block(4), it is characterised in that:The sensing Block(4)With housing(1)Between be lined with arc-shaped spring piece(5), arc-shaped spring piece(5)Arc top and sensor block(4)Contact, arc apical grafting Contact is close to sensor block(4)Bottom, and the sensor block(4)With pressing plate(2)On be connected with hinge controlling organization.
2. mechanical hoop locator as claimed in claim 1, it is characterised in that:The hinge controlling organization is by aperture(9), pin Axle(3)And groove(10)Composition, the aperture(9)Sensor block is opened in along the short side of elongate holes(4)Go up and run through sensor block (4), groove(10)In each block pressur plate(2)On offer relative two, and 2 grooves(10)Respective apertures respectively(9)'s Two ports, bearing pin(3)Through aperture(9), bearing pin(3)Both ends be overlapped on groove(10)It is interior and can be along housing(1)Footpath To movement.
3. mechanical hoop locator as claimed in claim 2, it is characterised in that:The bearing pin(3)For the small centre of both ends diameter The big Step Shaft of diameter, and groove(10)Width be less than aperture(9)Diameter.
4. mechanical hoop locator as claimed in claim 1, it is characterised in that:The pressing plate(2)Pass through screw(6)It is fixed on Housing(1)On, pressing plate(2)The both ends of upper elongate holes and sensor block(4)Both ends be respectively equipped with step surface, sensor block(4)Put Enter in elongate holes, both step surfaces mutually overlap.
5. mechanical hoop locator as claimed in claim 1, it is characterised in that:The sensor block(4)Middle part senses protuberance Position(4.3)Upper and lower side be respectively equipped with chamfering inclined-plane, and upper chamfer inclined-plane(4.1)The gradient be more than lower chamfer inclined-plane (4.2)The gradient.
6. mechanical hoop locator as claimed in claim 5, it is characterised in that:The sensor block(4)Middle part senses protuberance Position(4.3)Surface spraying have cobalt base hard alloy.
A kind of 7. application process of mechanical hoop locator, it is characterised in that:Mechanical hoop locator is connected to tubing string lower end simultaneously With coiled tubing G.I.H, arc-shaped spring piece(5)By sensor block(4)Strut, sense protruding parts after strutting(4.3)It is attached to set Pipe(7)On inwall, upper lifting pipe post, mechanical hoop locator moves upwards therewith, when sensing protruding parts(4.3)In two section sets Pipe(7)Hoop(8)During position, protruding parts is sensed(4.3)Upper chamfer inclined-plane(4.1)Tangle sleeve pipe(7)End face, sleeve pipe (7)Push down sensing protruding parts in end face(4.3), continue upper lifting pipe post, and protruding parts will be sensed(4.3)Press to housing(1)Directly To sensing protruding parts(4.3)It is fully retracted into sleeve pipe(7)Inwall, sense protruding parts(4.3)Up/down steps face respectively with pressure Plate(2)The up/down steps emaciated face of upper elongate holes is from final all sensor blocks(4)Sensing protruding parts(4.3)Retraction housing (1)It is interior and fit in sleeve pipe(7)Inwall, the change of pulling force when passing through collar by coiled tubing driving machinery hoop locator Change to judge tubing string depth location.
CN201711164049.0A 2017-11-21 2017-11-21 Mechanical joint hoop positioner and application method thereof Active CN107724971B (en)

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Application Number Priority Date Filing Date Title
CN201711164049.0A CN107724971B (en) 2017-11-21 2017-11-21 Mechanical joint hoop positioner and application method thereof

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Application Number Priority Date Filing Date Title
CN201711164049.0A CN107724971B (en) 2017-11-21 2017-11-21 Mechanical joint hoop positioner and application method thereof

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CN107724971B CN107724971B (en) 2024-01-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109113722A (en) * 2018-08-07 2019-01-01 大庆市嘉钰机械制造有限公司 A kind of oil field well depth measurement device and method
CN111219172A (en) * 2018-11-26 2020-06-02 中国石油天然气股份有限公司 Tubular column positioning device for hydraulic jet drilling

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CN202117663U (en) * 2011-06-10 2012-01-18 中国石油天然气股份有限公司 Casing collar positioner
CN203961963U (en) * 2014-07-25 2014-11-26 中国石油化工股份有限公司 Coiled tubing depth correction instrument
CN203978350U (en) * 2014-08-13 2014-12-03 中国石油集团渤海钻探工程有限公司 Oil pipe machinery locator
CN207583328U (en) * 2017-11-21 2018-07-06 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 A kind of machinery hoop locator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202117663U (en) * 2011-06-10 2012-01-18 中国石油天然气股份有限公司 Casing collar positioner
CN203961963U (en) * 2014-07-25 2014-11-26 中国石油化工股份有限公司 Coiled tubing depth correction instrument
CN203978350U (en) * 2014-08-13 2014-12-03 中国石油集团渤海钻探工程有限公司 Oil pipe machinery locator
CN207583328U (en) * 2017-11-21 2018-07-06 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 A kind of machinery hoop locator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109113722A (en) * 2018-08-07 2019-01-01 大庆市嘉钰机械制造有限公司 A kind of oil field well depth measurement device and method
CN109113722B (en) * 2018-08-07 2022-02-25 大庆市嘉钰机械制造有限公司 Oil field underground depth measuring device and method
CN111219172A (en) * 2018-11-26 2020-06-02 中国石油天然气股份有限公司 Tubular column positioning device for hydraulic jet drilling
CN111219172B (en) * 2018-11-26 2021-09-28 中国石油天然气股份有限公司 Tubular column positioning device for hydraulic jet drilling

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