CN106677731B - Anti-well-falling device and method for wireless inclination measuring while drilling instrument - Google Patents
Anti-well-falling device and method for wireless inclination measuring while drilling instrument Download PDFInfo
- Publication number
- CN106677731B CN106677731B CN201610918873.XA CN201610918873A CN106677731B CN 106677731 B CN106677731 B CN 106677731B CN 201610918873 A CN201610918873 A CN 201610918873A CN 106677731 B CN106677731 B CN 106677731B
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- mandrel
- friction
- push plate
- instrument
- wireless
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- 238000005553 drilling Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 241001449342 Chlorocrambe hastata Species 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 10
- 230000002265 prevention Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
Landscapes
- 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)
- Geophysics (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a device and a method for preventing a wireless inclinometer from falling into a well. The technical scheme is as follows: the body is provided with a plurality of grooves for matching and assembling a plurality of groups of friction plates and a push plate, the mandrel is arranged in an inner hole of the body, the lower part of the mandrel is provided with the grooves, the pressure rod is placed in the grooves and is fixed on the push plate through pins, and the small spring is arranged in the groove of the push plate and provides a radial centripetal force for the push plate; one end of the reset spring is contacted with the mandrel, and the other end of the reset spring is contacted with the inner end surface of the body. The beneficial effects are that: the invention adopts the mechanics principle, changes the direction and amplifies the force applied to the pressure lever by the dead weight of the instrument, so that the friction force generated by the friction plate and the inner wall of the non-magnetic drill collar is far greater than the dead weight of the instrument, and the wireless inclination measuring while drilling instrument is ensured not to fall into the well when the female buckle of the directional joint is broken; the invention is convenient to disassemble, and each identical part can be exchanged, thereby reducing the operation cost of the device.
Description
Technical Field
The invention relates to a wireless inclination measurement while drilling instrument for petroleum drilling, in particular to a device and a method for preventing a wireless inclination measurement while drilling instrument from falling into a well.
Background
In the process of petroleum and natural gas drilling, a YST-48R wireless logging while drilling instrument is a positive pulse measuring instrument for monitoring well tracks of a directional well and a horizontal well in real time and guiding the completion of well track control, and the underground instrument mainly comprises: the system comprises a driving assembly, a pulse generator, a directional probe and a battery, can complete the description and transmission functions of the posture of the drilling tool, comprises well deviation, direction, tool surface, temperature and the like of a measuring point, and has the advantages of stable system signals, convenience in use, salvageability and the like.
When accidents such as drilling sticking and the like occur underground, the success rate of salvaging the YST-48R wireless inclinometer while drilling in the drilling tool is high, but when the directional joint is broken, the instrument falls out of the drilling tool, and the success rate of salvaging is low. In recent years, accidents that an instrument is separated from the bottom and falls into an open hole due to the fact that a female snap of the directional joint is broken occur occasionally, the position and the posture of the instrument in the open hole cannot be determined, fishing is very difficult, and accident treatment and subsequent construction operation are affected. By the design of the anti-falling device of the YST-48R wireless inclinometer while drilling instrument, when the female button of the directional joint is accidentally broken, the instrument cannot fall off from the bottom of the drill collar, so that huge economic loss is avoided.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a device and a method for preventing a wireless inclination measurement while drilling instrument from falling into a well, which can replace a fishing head in the conventional wireless inclination measurement while drilling instrument, and can enable the wireless inclination measurement while drilling instrument to be suspended on the inner wall of a non-magnetic drill collar when an orientation joint is broken from a female buckle position, so that the accident that the wireless inclination measurement while drilling instrument falls into the well is avoided.
The invention provides a wireless inclination measurement while drilling instrument well falling prevention device which comprises a mandrel (3), a body (4), friction plates (5), small springs (6), a pressure lever (8), a push plate (10) and a return spring (11), wherein a plurality of grooves are formed in the body (4) and used for assembling a plurality of groups of friction plates (5) and push plates (10) in a matched mode, and the push plates (10) and the friction plates (5) are fixed together through friction plate fixing screws (9); the mandrel (3) is arranged in an inner hole of the body (4), a groove is formed in the lower portion of the mandrel (3), the pressing rod (8) is placed in the groove, the pressing rod (8) is fixed on the push plate (10) through a pin (7), and the small spring (6) is arranged in the groove of the push plate (10) and provides a radial centripetal force for the push plate (10); one end of the return spring (11) is contacted with the mandrel (3), and the other end is contacted with the inner end surface of the body (4).
The one end of above-mentioned depression bar (8) is the tip bow, and the other end is the main aspects bow, and wherein, tip bow and dabber (3) recess terminal surface laminating, the main aspects bow and the concave surface laminating in push pedal (10) of depression bar (8), when dabber (3) whereabouts, depression bar (8) are released push pedal (10) and friction disc (5).
The outer surface of the friction plate (5) is provided with a plurality of groups of triangular friction blocks, four groups of friction plates are adopted on the body (4), and the heights of the two groups of friction plates are different from the heights of the other two groups of friction plates.
The upper part and the lower part of the body (4) adopt a gentle inclined conical structure, a structural form of combining four wing ribs (4.1) and four diversion trenches (4.2) is adopted, and the outer diameter of the wing ribs (4.1) is close to the size of the inner wall of the non-magnetic drill collar.
A sealing ring is designed between the body (4) and the mandrel (3), so that when the sealing ring works, slurry cannot form a passage from a gap between the mandrel (3) and the body (4).
The invention provides a using method of a wireless inclination measurement while drilling instrument well falling prevention device, which comprises the following steps:
firstly, in normal work, the friction plate (5) is in fit contact with the inner wall of the non-magnetic drill collar due to the existence of the return spring (11);
secondly, when the female buckle of the directional joint is broken, the mandrel (3) downwards applies pressure to the pressure lever (8) due to the dead weight of the instrument, the pressure is amplified and transmitted to the push plate (10) through the lever action of the pin (7), the push plate (10) transmits the pressure to the friction plate (5), and then the wireless inclination while drilling instrument is hung on the inner wall of the wireless drill collar, so that the well falling accident of the wireless inclination while drilling instrument is avoided;
in addition, when the wireless inclinometer while drilling is placed in the socket key, the spearhead is released to grab the device, the lower end face of the spearhead extrudes the inclined conical surface on the body (4), the body (4) moves downwards, the friction plate (5) is contracted, and the condition that the socket key is normally placed under the instrument is ensured.
The invention has the beneficial effects that: the invention adopts the mechanics principle, changes the direction and amplifies the force applied to the pressure lever by the dead weight of the instrument, so that the friction force generated by the friction plate and the inner wall of the non-magnetic drill collar is far greater than the dead weight of the instrument, and the wireless inclination measuring while drilling instrument is ensured not to fall into the well when the female buckle of the directional joint is broken;
besides, most components of the invention are hidden in the inner grooves of the body and the mandrel, and meanwhile, the matching part of the mandrel and the body is provided with a sealing groove, thus ensuring that slurry can not flow through the gap of the inner wall and prolonging the service life of the whole component;
in addition, the invention is convenient to disassemble, and each identical part can be exchanged, thereby reducing the operation cost of the device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the mandrel of the present invention in cooperation with a body;
FIG. 3 is a schematic structural diagram of the present invention;
FIG. 4 is a schematic structural view of the strut;
FIG. 5 is a schematic structural view of a friction plate;
in the upper diagram: the friction plate fixing device comprises a fixing pin 1, a fixing pin screw 2, a mandrel 3, a body 4, a friction plate 5, a small spring 6, a pin 7, a pressure lever 8, a friction plate fixing screw 9, a push plate 10 and a reset spring 11; 4.1 of wing ribs and 4.2 of flow guide grooves; a small end arc head 8.1 and a large end arc head 8.2.
Detailed Description
The invention will be further described with reference to the accompanying figures 1 to 5:
the invention provides a wireless inclination measurement while drilling instrument well falling prevention device, which comprises a mandrel 3, a body 4, friction plates 5, small springs 6, a pressure rod 8, a push plate 10 and a return spring 11, wherein a plurality of grooves are formed in the body 4 and used for assembling a plurality of groups of friction plates 5 and push plates 10 in a matched mode, and the push plates 10 and the friction plates 5 are fixed together through friction plate fixing screws 9; the mandrel 3 is arranged in an inner hole of the body 4, a groove is formed in the lower portion of the mandrel 3, the pressing rod 8 is placed in the groove, the pressing rod 8 is fixed on the push plate 10 through a pin 7, and the small spring 6 is arranged in the groove of the push plate 10 and provides a radial centripetal force for the push plate 10; one end of the reset spring 11 is contacted with the mandrel 3, and the other end is contacted with the inner end surface of the body 4; the fixing pin 1 and the fixing pin screw 2 are of the structure inherent to the wireless inclinometer while drilling, the device can replace a fishing head of the existing wireless inclinometer while drilling, and due to the design of the reset spring 11, the body and the accessories of the device move along the axial direction, so that the device is not started when the wireless inclinometer while drilling is placed; meanwhile, when the female buckle of the directional joint is broken, the reset spring 11 gives a pre-starting force to the whole device, and finally the friction plate 5 and the inner wall of the non-magnetic drill collar are more and more tightly rubbed by the dead weight of the instrument, so that the instrument is prevented from falling off.
Referring to the attached figure 4, one end of the pressure lever 8 is a small end arc head 8.1, the other end is a large end arc head 8.2, wherein the small end arc head is attached to the end face of the groove of the mandrel 3, the large end arc head of the pressure lever 8 is attached to the concave face in the push plate 10, and when the mandrel 3 falls, the push plate 10 and the friction plate 5 are pushed out by the pressure lever 8.
Referring to the attached figure 5, a plurality of groups of triangular friction blocks 5.1 are arranged on the outer surface of each friction plate 5, four groups of friction plates are adopted on the body 4, and the heights of the two groups of friction plates are different from those of the other two groups of friction plates, so that the inner wall of the non-magnetic drill collar can be supported in four directions, and the supporting effect is better due to the different heights; the friction plate 5 is also provided with two screw holes 5.2 which are connected with a push plate 10 by a friction plate fixing screw 9.
Referring to the attached figure 3, the upper part and the lower part of the body 4 adopt a gentle inclined conical structure, a structural form of combining four wing ribs 4.1 and four diversion trenches 4.2 is adopted, the outer diameter of the wing ribs 4.1 is close to the size of the inner wall of the non-magnetic drill collar, and by adopting the structure, mud can smoothly pass through the device in the using process, meanwhile, the friction plate 5 can be protected, and erosion damage of the mud to the friction plate is reduced.
A sealing ring is designed between the body 4 and the mandrel 3, so that when the sealing ring works, slurry cannot form a passage from a gap between the mandrel 3 and the body 4, and other components in the device are protected.
The invention provides a using method of a wireless inclination measurement while drilling instrument well falling prevention device, which comprises the following steps:
firstly, in normal operation, the friction plate 5 is in contact with the inner wall of the non-magnetic drill collar in a fitting manner due to the existence of the return spring 11;
secondly, when the female buckle of the directional joint is broken, the mandrel 3 downwards applies pressure to the pressure rod 8 due to the dead weight of the instrument, the pressure is amplified and transmitted to the push plate 10 through the lever action of the pin 7, the push plate 10 transmits the pressure to the friction plate 5, and then the wireless inclination while drilling instrument is suspended on the inner wall of the wireless drill collar, so that the well falling accident of the wireless inclination while drilling instrument is avoided;
in addition, when the wireless inclinometer while drilling is placed in the socket key, the spearhead is released to grab the device, the lower end face of the spearhead extrudes the inclined conical surface on the body 4, the body 4 moves downwards, the friction plate 5 is contracted, and the normal placement of the socket key under the instrument is ensured.
The invention has the beneficial effects that: the invention adopts the mechanics principle, changes the direction and amplifies the force applied to the pressure lever by the dead weight of the instrument, so that the friction force generated by the friction plate and the inner wall of the non-magnetic drill collar is far greater than the dead weight of the instrument, and the wireless inclination measuring while drilling instrument is ensured not to fall into the well when the female buckle of the directional joint is broken; besides, most components of the invention are hidden in the inner grooves of the body and the mandrel, and meanwhile, the matching part of the mandrel and the body is provided with a sealing groove, thus ensuring that slurry can not flow through the gap of the inner wall and prolonging the service life of the whole component; in addition, the invention is convenient to disassemble, and each identical part can be exchanged, thereby reducing the operation cost of the device.
The invention can replace a fishing head in the prior YST-48R wireless inclination while drilling instrument, and when the directional joint is broken from the position of the female buckle, the YST-48R wireless inclination while drilling instrument can be suspended on the inner wall of the non-magnetic drill collar, thereby avoiding the accident of the wireless inclination while drilling instrument falling into the well.
The above description is only a few of the preferred embodiments of the present invention, and any person skilled in the art may modify the above-described embodiments or modify them into equivalent ones. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (1)
1. The utility model provides a wireless deviational survey while drilling instrument prevents well device that falls which characterized by: the friction plate assembling device comprises a mandrel (3), a body (4), friction plates (5), small springs (6), a pressure rod (8), a push plate (10) and a return spring (11), wherein a plurality of grooves are formed in the body (4) and used for assembling a plurality of groups of friction plates (5) and push plates (10) in a matched mode, and the push plates (10) and the friction plates (5) are fixed together through friction plate fixing screws (9); the mandrel (3) is arranged in an inner hole of the body (4), a groove is formed in the lower portion of the mandrel (3), the pressing rod (8) is placed in the groove, the pressing rod (8) is fixed on the push plate (10) through a pin (7), and the small spring (6) is arranged in the groove of the push plate (10) and provides a radial centripetal force for the push plate (10); one end of the reset spring (11) is contacted with the mandrel (3), and the other end is contacted with the inner end surface of the body (4);
one end of the pressure lever (8) is a small-end arc head, the other end of the pressure lever is a large-end arc head, wherein the small-end arc head is attached to the end face of the groove of the mandrel (3), the large-end arc head of the pressure lever (8) is attached to the concave face of the push plate (10), and when the mandrel (3) falls, the push plate (10) and the friction plate (5) are pushed out by the pressure lever (8);
a plurality of groups of triangular friction blocks (5.1) are arranged on the outer surface of the friction plate (5), four groups of friction plates are adopted on the body (4), and the heights of the two groups of friction plates are different from those of the other two groups of friction plates;
the upper part and the lower part of the body (4) adopt a gentle inclined conical structure, a structural form of combining four wing ribs (4.1) and four diversion trenches (4.2) is adopted, and the outer diameter of the wing ribs (4.1) is close to the size of the inner wall of the non-magnetic drill collar;
a sealing ring is designed between the body (4) and the mandrel (3), and when the slurry works, the slurry cannot form a passage from a gap between the mandrel (3) and the body (4);
the using method of the device comprises the following steps:
firstly, in normal work, the friction plate (5) is in fit contact with the inner wall of the non-magnetic drill collar due to the existence of the return spring (11);
secondly, when the female buckle of the directional joint is broken, the mandrel (3) downwards applies pressure to the pressure lever (8) due to the dead weight of the instrument, the pressure is amplified and transmitted to the push plate (10) through the lever action of the pin (7), the push plate (10) transmits the pressure to the friction plate (5), and then the wireless inclination while drilling instrument is suspended on the inner wall of the nonmagnetic drill collar, so that the accident that the wireless inclination while drilling instrument falls into the well is avoided;
in addition, when the wireless inclinometer while drilling is placed in the socket key, the spearhead is released to grab the device, the lower end face of the spearhead extrudes the inclined conical surface on the body (4), the body (4) moves downwards, the friction plate (5) is contracted, and the condition that the socket key is normally placed under the instrument is ensured.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610491204 | 2016-06-29 | ||
| CN2016104912049 | 2016-06-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106677731A CN106677731A (en) | 2017-05-17 |
| CN106677731B true CN106677731B (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610918873.XA Active CN106677731B (en) | 2016-06-29 | 2016-10-21 | Anti-well-falling device and method for wireless inclination measuring while drilling instrument |
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| Country | Link |
|---|---|
| CN (1) | CN106677731B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502643B (en) * | 2020-05-13 | 2023-09-12 | 磐索地勘科技(广州)有限公司 | Downhole positioning tool and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB924644A (en) * | 1959-09-25 | 1963-04-24 | Otis Eng Co | Well tools |
| CN201714371U (en) * | 2010-06-01 | 2011-01-19 | 中国石油化工股份有限公司 | Fall prevention device for testing instrument |
| CN101967952A (en) * | 2010-10-26 | 2011-02-09 | 西南石油大学 | Fall prevention device for torsional impacter |
| CN201738917U (en) * | 2010-08-27 | 2011-02-09 | 中国石油集团川庆钻探工程有限公司 | Drill-attached inclinometer falling preventing device |
| CN104033118A (en) * | 2014-06-18 | 2014-09-10 | 金湖县支点石油科技有限责任公司 | Tool and method for preventing fall in well |
| CN205936469U (en) * | 2016-07-01 | 2017-02-08 | 中石化石油工程技术服务有限公司 | It is wireless along with boring deviational survey instrument well device of preventing falling |
-
2016
- 2016-10-21 CN CN201610918873.XA patent/CN106677731B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB924644A (en) * | 1959-09-25 | 1963-04-24 | Otis Eng Co | Well tools |
| CN201714371U (en) * | 2010-06-01 | 2011-01-19 | 中国石油化工股份有限公司 | Fall prevention device for testing instrument |
| CN201738917U (en) * | 2010-08-27 | 2011-02-09 | 中国石油集团川庆钻探工程有限公司 | Drill-attached inclinometer falling preventing device |
| CN101967952A (en) * | 2010-10-26 | 2011-02-09 | 西南石油大学 | Fall prevention device for torsional impacter |
| CN104033118A (en) * | 2014-06-18 | 2014-09-10 | 金湖县支点石油科技有限责任公司 | Tool and method for preventing fall in well |
| CN205936469U (en) * | 2016-07-01 | 2017-02-08 | 中石化石油工程技术服务有限公司 | It is wireless along with boring deviational survey instrument well device of preventing falling |
Non-Patent Citations (1)
| Title |
|---|
| 冷冲压的送料装置;张镇修;《机械工人技术资料》;19760531(第5期);第15、51-57页 * |
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| CN106677731A (en) | 2017-05-17 |
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Effective date of registration: 20171102 Address after: 100101 Beijing, Beichen West Road, No. 8 Beichen world center, block A, No. 703, No. Applicant after: Yu Deping Address before: 100101 Beijing, Beichen West Road, No. 8 Beichen world center, block A, No. 703, No. Applicant before: SINOPEC OILFIELD SERVICE CORPORATION Applicant before: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. Applicant before: Drilling Engineering Technology Co., Ltd., Sinopec Victory Petroleum Engineering Co., Ltd. |
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Effective date of registration: 20190704 Address after: 100101 twelfth floor, No. 16, Huixin East Street, Chaoyang District, Beijing Applicant after: SINOPEC OILFIELD SERVICE CORPORATION Applicant after: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. Applicant after: Drilling Engineering Technology Co., Ltd., Sinopec Victory Petroleum Engineering Co., Ltd. Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Applicant before: Yu Deping |
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Effective date of registration: 20220209 Address after: 100029 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: Shengli directional well company of Sinopec Jingwei Co.,Ltd. Address before: 100101 twelfth floor, No. 16, Huixin East Street, Chaoyang District, Beijing Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee before: DRILLING WELL ENGINEERING TECHNOLOGY COMPANY OF SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. |