CN109339715B - A kind of oil field screw-type tubing nipple of the outer silk of double end - Google Patents
A kind of oil field screw-type tubing nipple of the outer silk of double end Download PDFInfo
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- CN109339715B CN109339715B CN201811381363.9A CN201811381363A CN109339715B CN 109339715 B CN109339715 B CN 109339715B CN 201811381363 A CN201811381363 A CN 201811381363A CN 109339715 B CN109339715 B CN 109339715B
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- tubing nipple
- mounting rod
- homogeneous
- spliced eye
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- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
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- 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 present invention relates to oil exploration equipment technical fields, and disclose a kind of oil field screw-type tubing nipple of outer silk of double end, mounting rod is laterally installed in the middle part of the inner cavity of tubing nipple part ontology, the outside of mounting rod is fixed with functor, movable sleeve is gone back equipped with PVC gum cover in the outside of tubing nipple part ontology, and the socket position of PVC gum cover is the outside of spliced eye；The global shape of homogeneous seat is truncated cone-shaped, and the upper surface of homogeneous seat and side are arcwall face, and the periphery of homogeneous seat offers longitudinal diversion trench, the generally hemispheric filter screen structure part of filtering base along surface.Structure of the invention installation is simple and convenient to operate, and makes function more various using functor structure, and the form of elasticity installation is convenient for the dismounting of structural member；The liquid stream for flowing down top of homogeneous seat carries out effective stream, homogeneous, improves the efficiency of internal liquid transport；Filtering base uses hemispheric filter screen structure part, has certain anti-impact pressure, diversion effect.
Description
Technical field
The present invention relates to oil exploration equipment technical field, the oil field of the outer silk of specially a kind of double end is short with screw-type oil pipe
Section.
Background technique
Pipe nipple is common a kind of accessory in industrial pipeline connection.It common are nipple joint, be divided into double end outer silk, single head
The outer silk of outer silk, tack is several, and in addition there are also with the pipe nipple etc. of flanged joint.
Pipe nipple is divided into tubing nipple and casing nipple.Popular say of flange pipe nipple is that tool is matched with flange in pipe fitting connection
As long as body be cover in flange in sky then tail portion and steel-pipe welding this when flange be the specification that can be moved method
It is that flange can activity that connection, which can connect purpose, when blue whichever
Tubing nipple is exactly that one section of short oil pipe is compared with oil pipe, and only length is different, and others have the same.Length has:
0.25m, 0.5m, 1m, 1.5m etc., for assembling running string.
As oil exploitation constantly expands, oil well pipe is increased using also continuous therewith, and oil well pipe pipe nipple is as oil well
The dosage of a part in tubing string, oil well pipe pipe nipple is consequently increased.The tubing nipple of existing conventional structure has: spiral shell in both ends
Multiple structural forms, the common features such as line, both ends external screw thread, one end internal screw thread one end external screw thread are pipes than threading
Section part is all smooth cylindrical tube structure, the main function of this tubing nipple be exactly by between oil pipe, oil pipe and sealing drum
Between be attached, generally only have the function of that interior hollow passageway passes through for downhole tool or oil liquid, have a single function, inconvenience installation
To the functor that oil liquid is handled, the efficiency of work cannot be effectively improved.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of oil field screw-type tubing nipple of silk outside double end, tools
It is standby it is vdiverse in function, be easily installed the advantages that functor effectively improves working efficiency, the oil field for solving the outer silk of existing double end is used
Screw-type tubing nipple generally only has the function of that interior hollow passageway passes through for downhole tool or oil liquid, has a single function, inconvenience peace
The functor handled oil liquid is filled, the efficiency of work cannot be effectively improved.
(2) technical solution
For realize it is above-mentioned it is vdiverse in function, be easily installed the purpose that functor effectively improves working efficiency, the present invention provides such as
Lower technical solution:
A kind of oil field screw-type tubing nipple of the outer silk of double end, including tubing nipple part ontology, the tubing nipple part
The equal integral type in upper and lower ends portion of ontology is connected with mounting head, and the outer surface of mounting head offers the screw thread that is screwed on, tubing nipple
The outer surface two sides of part ontology offer perforative spliced eye, are laterally installed with installation in the middle part of the inner cavity of tubing nipple part ontology
Bar, mounting rod are telescopic rod, and the both ends of mounting rod are inserted in spliced eye, and the outside of mounting rod is fixed with functor, function
Part includes homogeneous seat and filtering base, and movable sleeve is gone back equipped with PVC gum cover, the socket position of PVC gum cover in the outside of tubing nipple part ontology
It is set to the outside of spliced eye；
The global shape of homogeneous seat is truncated cone-shaped, and the upper surface of homogeneous seat and side are arcwall face, homogeneous seat it is outer
Zhou Jun offers longitudinal diversion trench along surface；
The generally hemispheric filter screen structure part of filtering base, and the bottom edge of filtering base and tubing nipple part ontology
The distance between interior walls d be not more than 10mm.The cross sectional shape of the spliced eye is adapted with the both ends shape of mounting rod,
For flat rectangle.The mounting rod includes the outer tube at middle part and the inner sleeve at both ends, and the inner end pipe shaft of two inner sleeves is equal
It is inserted in the interior intracavitary of outer tube, and is also installed with spring part in the gap of plugging position；
Vertically fixation is installed with auxiliary stopper mounting rack for the two sides of outer tube.
Preferably, the inner surface of the PVC gum cover and the contact site of spliced eye are installed with the block head of protrusion.
Preferably, the front and rear surfaces, which are also sticked, the indicating label for distinguishing pipe fitting function type.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of oil field screw-type tubing nipple of silk outside double end, have with
It is lower the utility model has the advantages that
1, the oil field screw-type tubing nipple of the outer silk of the double end, is socketed in the outer of mounting rod for required functor first
Then portion compresses the both ends of mounting rod, so that the entire length of mounting rod shortens, facilitate and put the mounting rod of one and functor
Enter the interior intracavitary of tubing nipple part ontology, regulate the position at mounting rod both ends, so that correspondence is inserted at the both ends of mounting rod respectively
Spliced eye in, it is fixed more firm so that mounting rod, functor are not susceptible to rotate since flat inserted terminal designs
Lean on, PVC gum cover be finally sheathed on to the outside of spliced eye, corresponding block head out of outside insertion spliced eye, to mounting rod into
Row limit blocks, and improves the airtightness of device, while also mounting rod being avoided to stretch out, and structure of the invention installation is simple and convenient to operate,
Make function more various using functor structure, the form of elasticity installation is convenient for the dismounting of structural member；
2, the oil field screw-type tubing nipple of the outer silk of the double end, the top surface of homogeneous seat are arc-shaped concave, crash-protective characteristics
By force, effectively liquid stream can be depressurized, so that liquid stream is slowed down, is convenient for homogeneous operation, the side of homogeneous seat is convex
Face can be matched with the diversion trench that periphery bell mouth shape opens up, and the liquid stream that top is flowed down carries out effective stream, homogeneous, be mentioned
The efficiency of high internal liquid transport；
3, the oil field screw-type tubing nipple of the outer silk of the double end, filtering base use hemispheric filter screen structure part, i.e.,
Upper surface is spherical, have certain anti-impact pressure, diversion effect, and if impurities in liquid filtered out by filtering base, i.e., along ball
Shape surface drops down onto filtering base bottom, does not influence the filtering of top filtering base entirety, ingenious in design, so that the filter residue of accumulation will not shadow
The work for ringing filtering, without often being cleared up, operation is more easy.
Detailed description of the invention
Fig. 1 is a kind of main view of the oil field screw-type tubing nipple of the outer silk of double end of the present invention；
Fig. 2 is mounting rod structural schematic diagram of the invention；
Fig. 3 is the side view of the grafting bore portion of tubing nipple part ontology of the invention；
Fig. 4 is the top cross-sectional view of tubing nipple part ontology of the invention；
Fig. 5 is the structural schematic diagram of homogeneous seat of the invention；
Fig. 6 is the structural schematic diagram of filtering base of the invention.
Indicate in figure: 1- tubing nipple part ontology, 2- mounting head, 3- are screwed on screw thread, 4- spliced eye；
5- mounting rod, 51- outer tube, 52- inner sleeve；
6- functor, 61- homogeneous seat, 62- filtering base；
7-PVC gum cover, 8- diversion trench, 9- spring part, 10- auxiliary stopper mounting rack, 11- block head, 12- indicating label.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, technical solution in the embodiment of the present invention carry out it is clear, it is complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of oil field screw-type tubing nipple of the outer silk of double end, such as Fig. 1 and Fig. 4, including tubing nipple part ontology 1, peace
Fill head 2, the screw thread 3 that is screwed on, spliced eye 4, mounting rod 5, functor 6, PVC gum cover 7, block head 11 and indicating label 12, the oil
The equal integral type in upper and lower ends portion of pipe pipe nipple part ontology 1 is connected with mounting head 2, and the outer surface of mounting head 2 offers the spiral shell that is screwed on
Line 3, using the structure of silk outside double end, the outer surface two sides of tubing nipple part ontology 1 offer perforative spliced eye 4, oil pipe
Mounting rod 5 is laterally installed in the middle part of the inner cavity of pipe nipple part ontology 1, mounting rod 5 is telescopic rod, and the both ends of mounting rod 5 are inserted in
In spliced eye 4, the outside of mounting rod 5 is fixed with functor 6, and movable sleeve is gone back equipped with PVC gum cover in the outside of tubing nipple part ontology 1
The socket position of 7, PVC gum covers 7 is the outside of spliced eye 4, and the front and rear surfaces of PVC gum cover 7, which are also sticked to have, distinguishes pipe fitting function class
The indicating label 12 of type, for being mounted with that the tubing nipple of different function part 6 distinguishes；
Mounting rod 5 includes the outer tube 51 at middle part and the inner sleeve 52 at both ends, such as Fig. 2, the interior end pipe of two inner sleeves 52
Body is inserted in the interior intracavitary of outer tube 51, and spring part 9 is also installed in the gap of plugging position, i.e. the both ends of mounting rod 5
It can be inwardly compressed, the entire length of mounting rod 5 is shortened, the two sides of outer tube 51 are vertically fixed to be installed with auxiliary stopper installation
Frame 10, be used for fixed function part 6 so that mounting rod 5 connect with functor 6 it is more firm, be not susceptible to misplace move；
The cross sectional shape of spliced eye 4 is adapted with the both ends shape of mounting rod 5, is flat rectangle, such as Fig. 3, can be prevented
Only mounting rod 5 rotates in spliced eye 4；
The inner surface of PVC gum cover 7 and the contact site of spliced eye 4 are installed with the block head 11 of protrusion, such as Fig. 4, block head
11 size is adapted with spliced eye 4, for spliced eye 4 to be sealed.
When work, required functor 6 is socketed in the outside of mounting rod 5 first, then compresses the both ends of mounting rod 5,
So that the entire length of mounting rod 5 shortens, facilitates and the mounting rod 5 of one and functor 6 are put into tubing nipple part ontology 1
It is intracavitary, the position at 5 both ends of mounting rod is regulated, so that the both ends of mounting rod 5 are inserted into respectively in corresponding spliced eye 4, due to flat
Flat-shaped inserted terminal design, so that mounting rod 5, functor 6 are not susceptible to rotate, fixation is more firm, finally by PVC gum cover
7 are sheathed on the outside of spliced eye 4, and corresponding block head 11 carries out limit closure to mounting rod 5 out of outside insertion spliced eye 4,
The airtightness of device is improved, while mounting rod 5 also being avoided to stretch out.
Embodiment one
When functor 6 is 61 state of homogeneous seat, such as Fig. 5, the global shape of homogeneous seat 61 is truncated cone-shaped, and homogeneous seat 61
Upper surface and side are arcwall face, and the periphery of homogeneous seat 61 offers longitudinal diversion trench 8 along surface, due to diversion trench 8
It is opened up along the outer surface of the homogeneous seat 61 of truncated cone-shaped, so the shape that circumferential diversion trench 8 forms is up-small and down-big
Bell mouth shape.
The top surface of homogeneous seat 61 is arc-shaped concave, and crash-protective characteristics are strong, can effectively depressurize to liquid stream, so that liquid stream
Slow down, be convenient for homogeneous operation, the side of homogeneous seat 61 is convex face, the diversion trench that can be opened up with periphery bell mouth shape
8 match, and the liquid stream that top is flowed down carries out effective stream, homogeneous, improve the efficiency of internal liquid transport.
Embodiment two
When functor 6 is 62 state of filtering base, such as Fig. 6, the generally hemispheric filter screen structure part of filtering base 62, and
The distance between the bottom edge of filtering base 62 and the interior walls of tubing nipple part ontology 1 d are not more than 10mm, the bottom of filtering base 62
Distance is smaller between 1 inner wall of portion edge and tubing nipple part ontology, i.e. the bottom peripheral dimension of filtering base 62 and tubing nipple part
The inner wall size of ontology 1 is close, can avoid bulky grain filter residue by causing filter effect undesirable.
Filtering base 62 uses hemispheric filter screen structure part, i.e. upper surface is spherical, has certain anti-impact pressure, leads
Flow effect, and if impurities in liquid filtered out by filtering base 62, i.e., drop down onto 62 bottom of filtering base along spherical surface, do not influence top
The whole filtering of filtering base 62, it is ingenious in design, so that the filter residue of accumulation will not influence the work of filtering, it is clear without often carrying out
Reason, operation are more easy.
The functor 6 that the present invention adds can be homogeneous seat 61,62 composite structure of filtering base of upper and lower superposing type installation, can also
It for single homogeneous seat 61 or single 62 structure of filtering base, is optionally combined according to job requirement, and spliced eye 4, installation
It can be multiple groups that bar 5 and PVC gum cover 7, which install combined quantity, can according to job requirement in pipe nipple longitudinally mounted multiple function
Part 6, it is vdiverse in function.
Claims (3)
1. a kind of oil field screw-type tubing nipple of the outer silk of double end, including tubing nipple part ontology (1), it is characterised in that: institute
The equal integral type in upper and lower ends portion for stating tubing nipple part ontology (1) is connected with mounting head (2), and the outer surface of mounting head (2) is opened
Equipped with the screw thread that is screwed on (3), the outer surface two sides of tubing nipple part ontology (1) offer perforative spliced eye (4), tubing nipple
It is laterally installed with mounting rod (5) in the middle part of the inner cavity of part ontology (1), mounting rod (5) is telescopic rod, and the both ends of mounting rod (5) are inserted
In spliced eye (4), the outside of mounting rod (5) is fixed with functor (6), and functor (6) includes homogeneous seat (61) and filtering
Movable sleeve is gone back equipped with PVC gum cover (7) in seat (62), the outside of tubing nipple part ontology (1), and the socket position of PVC gum cover (7) is slotting
Connect the outside of hole (4)；
The global shape of homogeneous seat (61) is truncated cone-shaped, and the upper surface of homogeneous seat (61) and side are arcwall face, homogeneous seat
(61) outer periphery surface offers longitudinal diversion trench (8)；
The generally hemispheric filter screen structure part of filtering base (62), and the bottom edge of filtering base (62) and tubing nipple part
The distance between the inner wall of ontology (1) d is not more than 10mm；
The cross sectional shape of the spliced eye (4) is adapted with the both ends shape of mounting rod (5), is flat rectangle；
The mounting rod (5) includes the outer tube (51) at middle part and the inner sleeve (52) at both ends, the inner end of two inner sleeves (52)
Pipe shaft is inserted in the interior intracavitary of outer tube (51), and spring part (9) are also installed in the gap of plugging position；Outer tube (51)
Two sides vertically fixation be installed with auxiliary stopper mounting rack (10).
2. a kind of oil field screw-type tubing nipple of the outer silk of double end according to claim 1, it is characterised in that: described
The inner surface of PVC gum cover (7) and the contact site of spliced eye (4) are installed with the block head (11) of protrusion.
3. a kind of oil field screw-type tubing nipple of the outer silk of double end according to claim 1, it is characterised in that: described
The front and rear surfaces of PVC gum cover (7), which are also sticked, the indicating label (12) for distinguishing pipe fitting function type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381363.9A CN109339715B (en) | 2018-11-20 | 2018-11-20 | A kind of oil field screw-type tubing nipple of the outer silk of double end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381363.9A CN109339715B (en) | 2018-11-20 | 2018-11-20 | A kind of oil field screw-type tubing nipple of the outer silk of double end |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109339715A CN109339715A (en) | 2019-02-15 |
| CN109339715B true CN109339715B (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811381363.9A Active CN109339715B (en) | 2018-11-20 | 2018-11-20 | A kind of oil field screw-type tubing nipple of the outer silk of double end |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946275B (en) * | 2020-08-31 | 2022-03-29 | 大庆市宏博晟达石油机械设备有限公司 | Anti-abrasion oil pipe nipple |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201363100Y (en) * | 2009-03-18 | 2009-12-16 | 中国石化集团胜利石油管理局井下作业公司 | Anti-clogging pup joint for drill rod |
| CN203547578U (en) * | 2013-10-23 | 2014-04-16 | 盐城华亚石油机械制造有限公司 | Integral multifunctional inclined shaft sucker rod centralizer |
| CN203756062U (en) * | 2014-01-27 | 2014-08-06 | 中国石油化工集团公司 | Downhole filtering short section for well drilling |
| WO2015009372A1 (en) * | 2013-07-15 | 2015-01-22 | Baker Hughes Incorporated | Electromagnetic telemetry apparatus and methods for use in wellbores |
| CN206554819U (en) * | 2017-02-24 | 2017-10-13 | 中国石油化工股份有限公司 | A kind of pumping rod universal erection device |
-
2018
- 2018-11-20 CN CN201811381363.9A patent/CN109339715B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201363100Y (en) * | 2009-03-18 | 2009-12-16 | 中国石化集团胜利石油管理局井下作业公司 | Anti-clogging pup joint for drill rod |
| WO2015009372A1 (en) * | 2013-07-15 | 2015-01-22 | Baker Hughes Incorporated | Electromagnetic telemetry apparatus and methods for use in wellbores |
| CN203547578U (en) * | 2013-10-23 | 2014-04-16 | 盐城华亚石油机械制造有限公司 | Integral multifunctional inclined shaft sucker rod centralizer |
| CN203756062U (en) * | 2014-01-27 | 2014-08-06 | 中国石油化工集团公司 | Downhole filtering short section for well drilling |
| CN206554819U (en) * | 2017-02-24 | 2017-10-13 | 中国石油化工股份有限公司 | A kind of pumping rod universal erection device |
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| Publication number | Publication date |
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| CN109339715A (en) | 2019-02-15 |
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