CN111911113A - Gauge for drift diameter of drilling tool - Google Patents

Gauge for drift diameter of drilling tool Download PDF

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Publication number
CN111911113A
CN111911113A CN202010942319.1A CN202010942319A CN111911113A CN 111911113 A CN111911113 A CN 111911113A CN 202010942319 A CN202010942319 A CN 202010942319A CN 111911113 A CN111911113 A CN 111911113A
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CN
China
Prior art keywords
gauge
drift diameter
rubber layer
drilling tool
diameter gauge
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.)
Pending
Application number
CN202010942319.1A
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Chinese (zh)
Inventor
张宏阜
王洪涛
方猛
李焱坤
张兴龙
李军顺
韩民
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 Xibu Drilling Engineering Co Ltd
Original Assignee
China National Petroleum Corp
CNPC Xibu Drilling Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China National Petroleum Corp, CNPC Xibu Drilling Engineering Co Ltd filed Critical China National Petroleum Corp
Priority to CN202010942319.1A priority Critical patent/CN111911113A/en
Publication of CN111911113A publication Critical patent/CN111911113A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B37/00Methods or apparatus for cleaning boreholes or wells
    • E21B37/02Scrapers specially adapted therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B31/00Fishing for or freeing objects in boreholes or wells

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Earth Drilling (AREA)

Abstract

The invention relates to the technical field of drilling tool drift diameter tools in petroleum drilling, in particular to a drilling tool drift diameter gauge which comprises a drift diameter gauge body, a steel wire rope, a fishing head and a drift diameter gauge rubber layer, wherein the structure is reasonable and compact, the use is convenient, the drift diameter gauge body plays a role of a framework, the drift diameter gauge rubber layer plays a role of buffering and reducing the whole weight, and simultaneously plays a role of protecting the inner wall and an inner coating of a drilling tool; the drift diameter rule rubber layer lower extreme is equipped with the shrinkage cavity, prevents when playing down to rise the external diameter increase because of ambient temperature, reaches the drilling tool bottom at the drilling tool drift diameter rule and plays the deformation shrink, reduces the effect of impact force, and wire rope and fishing head's cooperation is used, makes things convenient for dredging out when the drift diameter meets the resistance, has safety, laborsaving, simple and convenient, efficient characteristics.

Description

Gauge for drift diameter of drilling tool
Technical Field
The invention relates to the technical field of drilling tool drift diameter tools in petroleum drilling, in particular to a drilling tool drift diameter gauge.
Background
In the drilling construction, a MWD/LWD instrument is required to be used for measurement while drilling or logging construction is carried out by means of a drilling tool, and in order to ensure the normal work of the MWD instrument and the normal running of the logging instrument, the drift diameter of the drilling tool before the drilling is carried out; the drift diameter aims at two purposes, firstly, the deformation of an inner hole of a drilling tool or the over-small inner diameter of the drilling tool is prevented, and a directional well instrument cannot be salvaged or a logging instrument cannot be put in or put out; and secondly, the inner wall of the drilling tool is prevented from being bonded with foreign matters including rock debris, ground sand particles and other foreign matters, which can cause the abnormal work of the directional instrument and cause unnecessary tripping work.
The main on-site drift diameter mode is that a drift diameter gauge of a drilling tool is put into a drilling tool upright column ready to be put down from a racking platform of the drilling machine, and then the drift diameter gauge of the drilling string is lifted to fall out from the bottom of the drilling string. The basic of field usage is column steel latus rectum rule, and the latus rectum in-process damages the drilling tool undercoating easily to easily block when the latus rectum appears not excessively, must split the drilling string after, poke out through instrument such as metal pole stock, if the lifting rope card goes into between latus rectum rule and the drilling tool inner wall can further increase the degree of difficulty of poking out.
Disclosure of Invention
The invention provides a drift diameter gauge for a drilling tool, overcomes the defects of the prior art, and can effectively solve the problems that the inner coating of the drilling tool is easy to damage in the drift diameter process, the drift diameter is not excessive, and a lifting rope is blocked into the drift diameter gauge and the inside of the drilling tool to increase poking difficulty in the existing drift diameter gauge.
The technical scheme of the invention is realized by the following measures: a drift diameter gauge of a drilling tool comprises a drift diameter gauge body, a steel wire rope, a fishing head and a drift diameter gauge rubber layer, wherein the drift diameter gauge body is a vertically arranged cylinder, an outer ring groove is arranged on the outer side of the middle part of the drift diameter gauge body, a first groove with an upward opening is arranged in the middle of the upper end of the drift diameter gauge body, the bottom of the first groove is provided with a mounting hole, a fishing head is fixedly arranged in the mounting hole, a shaft hole is radially arranged above the mounting hole in a penetrating way in the middle of the fishing head, a steel wire rope penetrates through the shaft hole and then is connected end to be fixed into a ring shape, the upper end of the fishing head is provided with a conical connector with a small upper part and a big lower part, a drift diameter gauge rubber layer is fixedly connected from the outer side below the upper end surface of the drift diameter gauge body, the outer side of the middle part of the drift diameter gauge rubber layer corresponding to the outer ring groove is provided with a plurality of conical annular rubber layer barbs distributed along the axial direction, wherein the rubber layer barbs are small in size and big in size, and the outer diameters of the rubber layer barbs are not smaller than the outer diameter of the upper part of the drift diameter gauge rubber layer.
The following is further optimization or/and improvement of the technical scheme of the invention:
the outer sides of the upper part and the lower part of the drift diameter gauge body can be provided with a plurality of conical annular body barbs which are distributed along the axial direction and are small in top and large in bottom.
The inner wall of the lower part of the first groove can be an arc-shaped curved surface with an upward opening, and the inner wall of the upper part of the first groove and the inner wall of the lower part of the first groove are in smooth transition.
The middle of the lower end of the drift diameter gauge body can be provided with a second groove with a downward opening.
The lower end of the drift diameter gauge rubber layer corresponding to the second groove position can be provided with a shrinkage hole with a downward opening.
The outer side of the lower end of the rubber layer of the drift diameter gauge can be provided with a chamfer.
The drift diameter gauge body has the advantages of reasonable and compact structure and convenient use, the drift diameter gauge rubber layer plays a role in buffering and reducing the weight of the whole drilling tool drift diameter gauge, and simultaneously plays a role in protecting the inner wall and an inner coating of the drilling tool; the drift diameter rule rubber layer lower extreme is equipped with the shrinkage cavity, prevents when playing down to rise the external diameter increase because of ambient temperature, reaches the drilling tool bottom at the drilling tool drift diameter rule and plays the deformation shrink, reduces the effect of percussion force, and wire rope and fishing head's cooperation are used, has made things convenient for fishing out when the drilling tool drift diameter rule meets the resistance and when the drift diameter of ground uses to push away through the stiffener or the mode that the wire rope pulled accomplishes the drift diameter, has safety, laborsaving, simple and convenient, efficient characteristics.
Drawings
FIG. 1 is a schematic sectional view of the preferred embodiment of the present invention.
The codes in the figures are respectively: 1 is wire rope, 2 is salvage the head, and 3 are the shaft hole, and 4 are the drift diameter rule body, and 5 are the drift diameter rule rubber layer, and 6 are the body barb, and 7 are the rubber layer barb, and 8 are the shrinkage cavity, and 9 are the connector.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention is further described with reference to the following examples and figures:
as shown in attached figure 1, the drift diameter gauge of the drilling tool comprises a drift diameter gauge body 4, a steel wire rope 1, a fishing head 2 and a drift diameter gauge rubber layer 5, wherein the drift diameter gauge body 4 is a vertically arranged cylinder, an outer ring groove is arranged on the outer side of the middle part of the drift diameter gauge body 4, a first groove with an upward opening is arranged in the middle of the upper end of the drift diameter gauge body 4, a mounting hole is arranged at the bottom of the first groove, the fishing head 2 is fixedly arranged in the mounting hole, a shaft hole 3 is arranged above the mounting hole and radially penetrates through the middle part of the fishing head 2, the steel wire rope 1 penetrates through the shaft hole 3 and then is fixed into a ring shape in a head-to-tail mode, a conical connector 9 with a small upper part and a large lower part is arranged at the upper end of the fishing head 2, a drift diameter gauge rubber layer 5 is fixedly connected with the outer side below the upper end face of the drift diameter gauge body 4, a plurality, the outer diameter of the rubber layer barb 7 is not less than the upper outer diameter of the drift diameter gauge rubber layer 5.
When the drift diameter of the drilling tool is achieved, the drift diameter gauge body 4 plays a skeleton role, the outer diameter of the upper portion of a drift diameter gauge rubber layer 5 is the same as the outer diameter of the lower portion of the drift diameter gauge rubber layer 5, the drift diameter gauge rubber layer 5 plays a role in buffering and reducing the weight of the whole drilling tool drift diameter gauge, the inner wall of the drilling tool is protected and an inner coating layer plays a role in protecting the inner wall of the drilling tool at the same time, the rubber layer barbs 7 play a role in scraping and sweeping the inner wall of the drilling tool in the drift diameter process, part of particle sundries can be contained in gaps among the rubber layer barbs 7, the problem that blocking is formed when the particle sundries are filled in two sides of the drift diameter gauge of the drilling tool is solved;
when the blockage occurs and the fishing is taken out, the fishing tool can pass through the middle of the ring of the steel wire rope 1 because the toughness of the steel wire rope 1 deviates to one side when the fishing tool touches the steel wire rope 1, the fishing tool is led in by the conical connector 9 at the top end of the fishing head 2, the outer diameter of the bottom of the connector 9 is larger than the outer diameter of the middle part of the fishing head 2, the fishing tool can be smoothly connected with the fishing tool, the fishing tool is pulled upwards by manpower, if the fishing tool cannot be pulled out, the steel wire rope 1 can be fixed on mechanical equipment capable of providing lifting force, and the pulling force is slowly applied, so that the blockage;
the connecting part of the fishing head 2 and the drift diameter gauge body 4, namely the upper end of the drift diameter gauge body 4 adopts a first groove structure with an upward opening, so that the steel wire rope 1 at the connecting part is prevented from directly declining or drooping to enter the side surface and be clamped between the drift diameter gauge of the drilling tool and the drilling tool; the fishing head 2 is convenient for fishing out when the drift diameter gauge of the drilling tool is blocked and finishing drift diameter by pushing a hard rod or pulling a steel wire rope 1 when the drift diameter gauge of the ground is used, and the lower part of the fishing head 2 is fixedly arranged in the mounting hole through threaded glue and threaded connection; according to the demand, salvage first lower part outside and drift diameter rule body upper portion welded fastening and be connected, the thread gluing has the effect that prevents that threaded connection is not hard up to play locking, and the mode that adopts the welding to connect can increase the effect of locking not hard up. According to the requirement, the steel wire rope 1 can be a plastic coated steel wire rope, and has the functions of acid resistance, alkali resistance, corrosion resistance and ageing resistance, so that the service life is long.
The drift diameter gauge of the drilling tool can be further optimized or/and improved according to actual needs:
as shown in the attached figure 1, the outer sides of the upper part and the lower part of the drift diameter gauge body 4 are respectively provided with a plurality of conical annular body barbs 6 which are distributed along the axial direction and are small at the upper part and big at the lower part.
The adhesion of 6 multiplicable latus rectum gauge rubber layers of body barb 5 and latus rectum gauge body 4 meets in the latus rectum and hinders the extraction in-process, and 5 micro-deformations in latus rectum gauge rubber layer, and the body barb 6 of 4 upper portions of latus rectum gauge body and lower part play and prevent the effect of latus rectum gauge rubber layer 5 continuation deformation and resistance, and body barb 6 plays the effect of following "thorn" when carrying the drilling tool latus rectum gauge, reduces and lifts the jam-relieving power.
As shown in fig. 1, the inner wall of the lower portion of the first groove is an arc-shaped curved surface with an upward opening, and the inner wall of the upper portion of the first groove and the inner wall of the lower portion of the first groove are in smooth transition.
The steel wire rope 1 is contacted with the arc-shaped curved surface in the first groove to form a certain upward angle, so that the steel wire rope 1 is better prevented from directly declining or drooping to enter the side surface and be clamped between the drift diameter gauge of the drilling tool and the drilling tool.
As shown in the attached figure 1, a second groove with a downward opening is formed in the middle of the lower end of the drift diameter gauge body 4.
More drift diameter gauge rubber layers 5 can be attached and filled in the second groove, the adhesion of the drift diameter gauge rubber layers is further increased, and the effects of buffering and reducing the weight of the whole drilling tool drift diameter gauge are further achieved.
As shown in the attached figure 1, a shrinkage hole 8 with a downward opening is formed at the lower end of the drift diameter gauge rubber layer 5 corresponding to the position of the second groove.
The shrinkage hole 8 plays a role in preventing the outer diameter from increasing due to the rise of the ambient temperature when the drilling tool is started, and plays a role in deforming and shrinking when the drift diameter gauge of the drilling tool reaches the bottom of the drilling tool and reducing the impact force;
as shown in the attached figure 1, the outer side of the lower end of the drift diameter gauge rubber layer 5 is provided with a chamfer. The design of the chamfer plays a role in guiding when the steel pipe is put down.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.

Claims (10)

1. A drift diameter gauge for a drilling tool is characterized by comprising a drift diameter gauge body, a steel wire rope, a fishing head and a drift diameter gauge rubber layer, wherein the drift diameter gauge body is a vertically arranged cylinder, an outer ring groove is arranged on the outer side of the middle part of the drift diameter gauge body, a first groove with an upward opening is arranged in the middle of the upper end of the drift diameter gauge body, the bottom of the first groove is provided with a mounting hole, a fishing head is fixedly arranged in the mounting hole, a shaft hole is radially arranged above the mounting hole in a penetrating way in the middle of the fishing head, a steel wire rope penetrates through the shaft hole and then is connected end to be fixed into a ring shape, the upper end of the fishing head is provided with a conical connector with a small upper part and a big lower part, a drift diameter gauge rubber layer is fixedly connected from the outer side below the upper end surface of the drift diameter gauge body, the outer side of the middle part of the drift diameter gauge rubber layer corresponding to the outer ring groove is provided with a plurality of conical annular rubber layer barbs distributed along the axial direction, wherein the rubber layer barbs are small in size and big in size, and the outer diameters of the rubber layer barbs are not smaller than the outer diameter of the upper part of the drift diameter gauge rubber layer.
2. The gauge of claim 1, wherein the gauge body has a plurality of conical ring-shaped barbs distributed axially on the outer side of the upper part and the lower part.
3. The gauge of claim 1 or 2, wherein the lower inner wall of the first groove is an upwardly open curved surface, and the upper inner wall and the lower inner wall of the first groove are smoothly transitioned.
4. The gauge of claim 3, wherein the body of the gauge has a second downwardly opening recess in the middle of the lower end thereof.
5. The gauge of claim 1 or 2, wherein the body of the gauge has a second downwardly opening recess in the middle of its lower end.
6. The gauge of claim 4, wherein the rubber layer of the gauge is provided with a downwardly opening constriction at the lower end thereof corresponding to the location of the second groove.
7. The gauge of claim 5, wherein the rubber layer of the gauge is provided with a downwardly opening constriction at the lower end thereof corresponding to the location of the second groove.
8. The gauge of claim 3, wherein the gauge is chamfered outside the rubber layer.
9. The gauge of claim 5, wherein the gauge is chamfered outside the rubber layer.
10. A drill drift diameter gauge according to claim 1, 2, 4, 6 or 7, wherein the outer side of the lower end of the rubber layer of the drift diameter gauge is provided with a chamfer.
CN202010942319.1A 2020-09-09 2020-09-09 Gauge for drift diameter of drilling tool Pending CN111911113A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010942319.1A CN111911113A (en) 2020-09-09 2020-09-09 Gauge for drift diameter of drilling tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010942319.1A CN111911113A (en) 2020-09-09 2020-09-09 Gauge for drift diameter of drilling tool

Publications (1)

Publication Number Publication Date
CN111911113A true CN111911113A (en) 2020-11-10

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020139529A1 (en) * 2001-03-27 2002-10-03 Fraser James M. Wiper plug delivery apparatus
CN201428431Y (en) * 2009-06-15 2010-03-24 中国石油集团西部钻探工程有限公司克拉玛依钻井工艺研究院 Tube inside wall scraping device
CN203925428U (en) * 2014-01-07 2014-11-05 塔里木石油勘探开发指挥部第六勘探公司 Throw-in type drilling rod jack rabbit
CN204252953U (en) * 2014-09-29 2015-04-08 中国石油天然气股份有限公司 Drifting scraping integrated tool
CN104929579A (en) * 2015-05-13 2015-09-23 西南石油大学 Super-borehole-diameter borehole cleaning short section
CN109162657A (en) * 2018-09-30 2019-01-08 李志磊 Intelligent jack rabbit
CN210714608U (en) * 2019-07-18 2020-06-09 中国石油天然气股份有限公司 Drift diameter gauge and drift diameter gauge assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020139529A1 (en) * 2001-03-27 2002-10-03 Fraser James M. Wiper plug delivery apparatus
CN201428431Y (en) * 2009-06-15 2010-03-24 中国石油集团西部钻探工程有限公司克拉玛依钻井工艺研究院 Tube inside wall scraping device
CN203925428U (en) * 2014-01-07 2014-11-05 塔里木石油勘探开发指挥部第六勘探公司 Throw-in type drilling rod jack rabbit
CN204252953U (en) * 2014-09-29 2015-04-08 中国石油天然气股份有限公司 Drifting scraping integrated tool
CN104929579A (en) * 2015-05-13 2015-09-23 西南石油大学 Super-borehole-diameter borehole cleaning short section
CN109162657A (en) * 2018-09-30 2019-01-08 李志磊 Intelligent jack rabbit
CN210714608U (en) * 2019-07-18 2020-06-09 中国石油天然气股份有限公司 Drift diameter gauge and drift diameter gauge assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王子海: "多功能防卡钻通井规的研制与应用", 《科技传播》 *

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Application publication date: 20201110

RJ01 Rejection of invention patent application after publication