CN111236852B - Near-bit geological guiding drilling structure - Google Patents
Near-bit geological guiding drilling structure Download PDFInfo
- Publication number
- CN111236852B CN111236852B CN202010062866.0A CN202010062866A CN111236852B CN 111236852 B CN111236852 B CN 111236852B CN 202010062866 A CN202010062866 A CN 202010062866A CN 111236852 B CN111236852 B CN 111236852B
- Authority
- CN
- China
- Prior art keywords
- drill bit
- drill
- cooling water
- teeth
- heightening block
- 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.)
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Links
- 238000005553 drilling Methods 0.000 title claims abstract description 14
- 239000000498 cooling water Substances 0.000 claims abstract description 22
- 239000007921 spray Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 8
- 238000005065 mining Methods 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000008093 supporting effect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- E21B10/00—Drill bits
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
- E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
- E21B10/633—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable
-
- 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
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
-
- 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
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
-
- 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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of oil exploitation equipment, and discloses a near-bit geological guiding drilling structure which comprises a drill bit and drill teeth, wherein a water outlet is formed in the side surface of the drill bit, a cooling water spray nozzle is arranged on the outer wall of the drill bit and is positioned near the water outlet, a sliding groove is formed in the top of the drill bit, a fixing screw hole is formed in the middle of the sliding groove, the drill bit is fixedly clamped and connected with a clamping tooth through the sliding groove, a heightening block is fixedly installed at the top of the fixing screw hole, a hole is formed in the middle of the heightening block, and a bolt is fixedly installed inside the heightening block. This nearly drill bit geology direction creeps into structure through being provided with joint detachable and bores the tooth, only need bore five when the tooth wearing and tearing are serious and bore the tooth and wear out can, need not change whole drill bit, the expense of changing is very low, moreover through being provided with bed hedgehopping piece, can fix the bed hedgehopping piece on the drill bit through the bolt, carries on spacingly to five brill teeth for five brill teeth can not take place the offset.
Description
Technical Field
The invention relates to the technical field of oil exploitation equipment, in particular to a near-bit geological guiding drilling structure.
Background
In the process of oil exploitation, a well needs to be drilled to excavate and extract crude oil, and a drill bit needs to be used in the process of excavation.
Referring to fig. 1-2, the conventional guided drilling structure includes a measuring pipe 1 and a drill bit 2, the measuring pipe 1 includes a single-bent screw drilling tool 3, a resistivity measuring point 4, a gamma measuring point 5, and a well deviation direction measuring point 6, a drill tooth 7 is disposed at an end of the drill bit 2, and a mining tool 8 is disposed at one side of the drill tooth 7, and during operation, a threaded disc 9 is fixed at one end of the single-bent screw drilling tool 3, so that drilling operation can be performed.
The existing drill bit 2 needs to be replaced after being worn for a period of time, the cost of the drill bit 2 is expensive, and extra expenses are caused by replacing the whole drill bit 2; in addition, in the drilling process of the drill bit 2, due to the distribution relation of the drill teeth 7, a depression can be formed in the middle of the end portion of the drill bit 2, the depression can be clamped into stones and other hard substances, on one hand, the mining cutter 8 on the drill teeth 7 cannot be in better contact with a geological formation for excavation, on the other hand, the working load of the drill bit 2 can be increased, and the service life of the drill bit 2 is influenced.
Disclosure of Invention
The invention provides a near-bit geological guiding drilling structure, which has the advantages that the cost performance of the whole drill bit is higher without replacing a replaceable drill tooth, a cushion block ensures that the drill tooth is fixed, meanwhile, a recess is filled, and the excavating efficiency is ensured, and solves the problems in the background art.
The invention provides the following technical scheme: the utility model provides a nearly drill bit geology direction creeps into structure, includes the drill bit and bores the tooth, the delivery port has been seted up to the side of drill bit, near the drill bit outer wall is located the delivery port is equipped with the cooling water shower nozzle, the spout has been seted up at the top of drill bit, fixed screw socket has been seted up at the middle part of spout, the drill bit has the latch through spout fixing clip, the top fixed mounting of fixed screw socket has the bed hedgehopping piece, the hole has been seted up at the middle part of bed hedgehopping piece, the inside fixed mounting of bed hedgehopping piece has the bolt, the bed hedgehopping piece passes through bolt fixed mounting on the top.
Preferably, the number of the cooling water spray heads is three, the three cooling water spray heads are symmetrically distributed on the side wall of the drill bit, and the cooling water spray heads and the drill teeth are distributed in a staggered mode.
Preferably, the cross section of the latch is circular.
Preferably, the bottom and the side of the block are both planes, and the top of the block is designed to be an arc-shaped surface.
The invention has the following beneficial effects:
1. this nearly drill bit geology direction creeps into structure through being provided with joint detachable and bores the tooth, only need bore five when the tooth wearing and tearing are serious and bore the tooth and wear and tear can, need not change whole drill bit, the expense of changing is very low, and through being provided with bed hedgehopping piece, can fix the bed hedgehopping piece on the drill bit through the bolt in addition, carries on spacingly to five brill teeth for position skew can not take place for five brill teeth, guarantees the security of drill bit during operation.
2. This nearly drill bit geology direction creeps into structure can also guarantee through being provided with the bed hedgehopping piece that the sunken of five between the brill teeth is filled, does not have hard materials card such as stone in sunken at the in-process that the drill bit bored like this to guaranteed that the exploitation sword on the drill bit working process brill tooth can with the fine contact in geological formation, guaranteed the exploitation efficiency of drill bit.
Drawings
FIG. 1 is a schematic diagram of a conventional drilling configuration;
FIG. 2 is a schematic view of a conventional drill bit;
FIG. 3 is a schematic view of the drill according to the present invention with the drill disassembled;
fig. 4 is a schematic view of the structure of the drill tooth of the present invention.
In the figure: 1. measuring a pipe body; 2. a drill bit; 3. a single-bending screw drill; 4. a resistivity measurement point; 5. a gamma measurement point; 6. a well deviation azimuth measuring point; 7. drilling teeth; 8. mining a cutter; 9. a threaded disc opening; 10. a water outlet; 11. cooling water spray heads; 12. a chute; 13. fixing the screw; 14. clamping teeth; 15. a block for raising; 16. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 3-4, a near-bit geosteering drilling structure comprises a drill bit 2 and drill teeth 7, a water outlet 10 is formed in the side surface of the drill bit 2, three cooling water spray heads 11 are arranged on the outer wall of the drill bit 2 near the water outlet 10, the three cooling water spray heads 11 are symmetrically distributed on the side wall of the drill bit 2, the cooling water spray heads 11 and the drill teeth 7 are distributed in a staggered manner, a sliding groove 12 is formed in the top of the drill bit 2, a fixing screw 13 is formed in the middle of the sliding groove 12, the drill bit 2 is fixedly clamped and connected with a latch 14 through the sliding groove 12, the cross section of the latch 14 is circular, a heightening block 15 is fixedly installed at the top of the fixing screw 13, a hole is formed in the middle of the heightening block 15, a bolt 16 is fixedly installed inside the heightening block 15, the heightening block 15 is fixedly installed at the top end of the drill bit 2 through the bolt 16, and the cooling water spray heads 11 are arranged to, in addition, the cooling water spray heads 11 and the drill teeth 7 are arranged in a staggered mode, so that the cooling water spray heads 11 cannot influence the drill teeth 7 when spraying water, normal supply of cooling water is guaranteed, in addition, the clamping teeth 14 of the cylinders are more convenient to mount and dismount, very good condensation capacity is realized among the cylinder structures, the supporting effect of the clamping teeth 14 is guaranteed, the drill bit 2 can be replaced without being replaced in a whole wearing mode through the arrangement of the drill teeth 7 which can be movably dismounted, and only five drill teeth 7 need to be replaced.
The bottom and the side of bed hedgehopping piece 15 are the plane, and the top of bed hedgehopping piece 15 is the arcwall face design, through the setting of bed hedgehopping piece 15, can play on the one hand and carry out spacing effect to five brill teeth 7 to guarantee that five brill teeth 7 have better stability in the course of the work, also can fill the sunken of 2 tip of drill bits through the setting of bed hedgehopping piece 15 on the one hand in addition, make stone and other materials can not enter into sunken inside, guaranteed drill bit 2's life.
The working principle is that when the drill bit needs to be replaced, only the bolt 16 needs to be unscrewed firstly, so that the heightening block 15 can be detached, at this time, the five drill teeth 7 can be taken out along the situation, then the five brand-new drill teeth 7 are sequentially installed on the drill bit 2, the installation method is that the latch 14 at the bottom of the drill teeth 7 is clamped into the sliding groove 12, then the heightening block 15 is placed into the recess, and the heightening block 15 is fixed on the drill bit 2 through the bolt 16 to carry out limiting installation on the five drill teeth 7.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A near-bit geosteering drilling structure comprising a drill bit (2) and drill teeth (7), characterized in that: a water outlet (10) is formed in the side surface of the drill bit (2), a cooling water spray head (11) is arranged on the outer wall of the drill bit (2) near the water outlet (10), the top of the drill bit (2) is provided with a sliding chute (12), the middle part of the sliding chute (12) is provided with a fixed screw (13), the drill bit (2) is fixedly clamped with a latch (14) through a chute (12), the latch (14) is positioned at the bottom of the drill tooth (7), the latch (14) and the drill tooth (7) are of an integral structure, the latch (14) is used for realizing the connection of the drill tooth (7) and the drill bit (2), a heightening block (15) is fixedly arranged at the top of the fixed screw port (13), a hole is arranged in the middle of the heightening block (15), a bolt (16) is fixedly installed inside the heightening block (15), and the heightening block (15) is fixedly installed at the top end of the drill bit (2) through the bolt (16);
the number of the cooling water spray heads (11) is three, the three cooling water spray heads (11) are symmetrically distributed on the side wall of the drill bit (2), and the cooling water spray heads (11) and the drill teeth (7) are distributed in a staggered mode; through the arrangement of the cooling water spray heads (11), the three cooling water spray heads (11) can be ensured to carry out cooling operation on the mining process, and in addition, the arrangement of the staggered distribution of the cooling water spray heads (11) and the drill teeth (7) is used for ensuring that the cooling water spray heads (11) can not influence the drill teeth (7) when spraying water and ensuring the normal supply of cooling water;
the cross section of the latch (14) is circular; in addition, the latch (14) of the cylinder is more convenient to mount and dismount, and the cylinder structures have very good condensation capacity, so that the supporting effect of the latch (14) is ensured;
the bottom and the side face of the heightening block (15) are both flat faces, the top of the heightening block (15) is designed to be an arc-shaped face, the effect of limiting five drill teeth (7) can be achieved through the heightening block (15), accordingly, the five drill teeth (7) are guaranteed to have better stability in the working process, the recess of the end portion of the drill bit (2) can be filled through the heightening block (15), stones and other substances can not enter the recess, and the service life of the drill bit (2) is guaranteed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010062866.0A CN111236852B (en) | 2020-01-19 | 2020-01-19 | Near-bit geological guiding drilling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010062866.0A CN111236852B (en) | 2020-01-19 | 2020-01-19 | Near-bit geological guiding drilling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111236852A CN111236852A (en) | 2020-06-05 |
| CN111236852B true CN111236852B (en) | 2021-06-01 |
Family
ID=70865896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010062866.0A Active CN111236852B (en) | 2020-01-19 | 2020-01-19 | Near-bit geological guiding drilling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111236852B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012661A (en) * | 2020-08-13 | 2020-12-01 | 祁东县锋速钻探工具有限公司 | Improved diamond compact bit easy for rapid heat dissipation |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2494188A (en) * | 1945-10-17 | 1950-01-10 | Juan M Meaney | Detachable rock drill bit with replaceable cutters |
| US20140190748A1 (en) * | 2012-06-14 | 2014-07-10 | John Bloomfield | Drilling device and process |
| CN104018783A (en) * | 2014-05-27 | 2014-09-03 | 成都来宝石油设备有限公司 | High-drilling-speed PDC drill bit |
| CN104033106B (en) * | 2014-06-17 | 2016-02-24 | 中国石油大学(华东) | Radial sidetracking rotates self-advancing type multiple jet drill bit |
| CN106320986B (en) * | 2016-10-08 | 2018-07-10 | 郑州神利达钻采设备有限公司 | A kind of accurate Drilling bore bit of anti-deviation |
| CN107975343A (en) * | 2018-01-09 | 2018-05-01 | 西南石油大学 | Can detachable type PDC re-drill bits |
| CN110118060A (en) * | 2019-06-18 | 2019-08-13 | 深圳市钻通工程机械股份有限公司 | A kind of no-dig technique combined type PDC reaming bit |
-
2020
- 2020-01-19 CN CN202010062866.0A patent/CN111236852B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111236852A (en) | 2020-06-05 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210818 Address after: Room 301, Chuangye building, public entrepreneurship incubation base, Ranghulu District, Daqing City, Heilongjiang Province, 163000 Patentee after: Daqing Mingyue Petroleum Technology Co.,Ltd. Address before: Group 2, Yong'an village, Haiqing Township, Fuyuan City, Jiamusi City, Heilongjiang Province, 156500 Patentee before: Sun Shufang |