CN110541678B - Horizontal well wet joint butting tool and method - Google Patents
Horizontal well wet joint butting tool and method Download PDFInfo
- Publication number
- CN110541678B CN110541678B CN201910591955.1A CN201910591955A CN110541678B CN 110541678 B CN110541678 B CN 110541678B CN 201910591955 A CN201910591955 A CN 201910591955A CN 110541678 B CN110541678 B CN 110541678B
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- male
- joint
- assembly
- shell
- horizontal well
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B17/023—Arrangements for connecting cables or wirelines to downhole devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Abstract
The invention provides a horizontal well wet joint butt joint tool and a method, and relates to the technical field of oil and gas exploitation. The horizontal well wet joint butting tool comprises a male joint shell, wherein a coupling head I is arranged on the left side of the outer surface of an outer joint, the left side of the coupling head I is welded with one side of a protective cap, one side of the outer surface of a middle connector is connected with the outer surface of a female connector, a quick-connection torpedo assembly is inserted into the right side of the female connector, the right side of a coupling head II is connected with a pressurizing righting cylinder, the right side of the outer surface of the pressurizing righting cylinder is connected with a tower-shaped weighting rod, and the right side of the outer surface of the tower-shaped weighting rod is connected with a seven-core joint. The invention can be used more advanced when in use through the mutual matching of structures such as the transition joint, the joint component and the like, and the device can achieve the purposes of more advancement, safer use performance, convenience and reliability because of the mutual matching of the structures such as the female head locking body, the quick-connection torpedo assembly and the like.
Description
Technical Field
The invention relates to the technical field of oil and gas exploitation, in particular to a horizontal well wet joint butt joint tool and a method.
Background
With the continuous development of oil and natural gas exploration and development technologies, horizontal well drilling tool conveying well logging becomes one of the most widely applied well logging means, and a horizontal well wet joint butting tool is developed into two series of pin-type and bar-type horizontal well wet joint butting tools from an initial pin-type horizontal well wet joint. The product of the invention is one of the rod-type horizontal well wet joint butting tools, however, the I-type and II-type rod-type horizontal well wet joint butting tools commonly adopted in the existing well logging industry have the following defects that the tools are limited by environmental conditions, and the carrying, connecting and the like in the well logging operation still need to be operated by people, the product has large size and heavy weight, so that the physical labor intensity of operators is overlarge, and therefore, aiming at the problems, a more advanced, safer, more convenient and reliable horizontal well butting tool with service performance can be designed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a horizontal well wet joint butting tool and a method, and the purposes of more advanced performance, safer service performance, convenience and reliability are achieved.
(II) technical scheme
In order to achieve the purpose of cleaning, the invention provides the following technical scheme: a horizontal well wet joint butting tool comprises a male joint shell, wherein the left side inside the male joint shell is connected with the outer surface of a righting cylinder, a male joint assembly electrifying part is arranged inside the male joint shell, the top of the inner surface of the male joint shell is connected with the outer surface of a locking hook, the right side of the outer surface of the locking hook is connected with the outer surface of a shell positioning key, the right side of the outer surface of the male joint shell is connected with the outer surface of a slurry circulation sleeve, the top of the outer surface of the slurry circulation sleeve is connected with the bottom of the outer surface of a male joint positioning sleeve, the right side of the outer surface of the male joint shell is connected with a transition joint, the right side of the outer surface of a male joint shell is connected with the right side of the outer surface of a middle connector, the left side of the outer surface of the middle connector is connected with the right side of the outer surface of, the left side of the coupling head I is welded with one side of the protective cap, one side of the outer surface of the middle connector is connected with the outer surface of the female connector power connection component, the right side of the female connector power connection component is inserted with a quick connection torpedo assembly, the right side of the quick connection torpedo assembly is connected with the left side of the coupling head II, the right side of the coupling head II is connected with the pressurizing and centering cylinder, the right side of the outer surface of the pressurizing and centering cylinder is connected with the tower-shaped weighting rod, and the right side of the outer surface of the tower-shaped weighting rod is connected with the seven-; the bottom of the outer surface of the male head assembly electric connecting component is sleeved with a male head insulating ring, and the right side of the bottom of the outer surface of the male head assembly electric connecting component is connected with a male head conducting ring.
Preferably, the top of the outer surface of the male conductive ring is connected with the bottom of the outer surface of the contact ring, and the top of the inner surface of the male conductive ring is connected with the outer surface of the high-temperature wire.
Preferably, the middle part of the inner surface of the male shell is provided with a male balance capsule, and the right side of the outer surface of the male shell is connected with the left side of the outer surface of the connector component.
Preferably, the right side of the female connector power connection assembly is connected with an outer sleeve, and the right side of the outer sleeve is connected with a female connector locking body.
Preferably, the right side of the seven-core connector is connected with a connecting cap, and the right side of the connecting cap is provided with a protective wire.
(III) advantageous effects
Compared with the prior art, the invention provides a horizontal well wet joint butting tool, which has the following beneficial effects:
1. the invention uses the mutual cooperation of the structures such as the male head balance capsule, the shell positioning key, the slurry circulation sleeve, the male head positioning sleeve, the transition joint, the joint component and the like, so that the device can be more advanced and more practical when in use, and can achieve the purposes of more advancement, safer use performance, convenience and reliability because the structures such as the female head locking body, the quick-connection torpedo assembly and the like are mutually matched for use.
2. The invention uses the mutual cooperation of the structures of the coupling head II, the pressurizing centralizing cylinder, the tower-shaped weighting rod, the seven-core joint, the connecting screw cap, the protective screw, the female balance rubber sleeve and the like, so that the device is more convenient to use, and the date and the amount with higher service performance are more practical, so that the device is more practical and more convenient.
Drawings
FIG. 1 is a schematic view of the structure of the IV-type rod male housing assembly of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is a schematic view of the structure of the rod-type female assembly of FIG. IV of the present invention;
FIG. 4 is a schematic view of the structure of the IV-bar female assembly of the present invention;
FIG. 5 is a schematic view of the type IV weighted bar assembly of the present invention;
fig. 6 is a schematic structural diagram of the IV-type quick-connection torpedo assembly of the present invention.
In the figure: 1 male head shell, 2 righting cylinders, 3 male head assembly electric connecting parts, 4 locking hooks, 5 male head balance capsules, 6 shell positioning keys, 7 slurry circulation sleeves, 8 male head positioning sleeves, 9 transition joints, 10 joint components, 11 male head insulating rings, 12 male head conducting rings, 13 contact rings, 14 high-temperature conducting wires, 15 protective caps, 16 coupling heads I and 17 external connecting sleeves, 18 oil filling plugs, 19 female balance rubber sleeves, 20 middle connecting heads, 21 female head electric connecting components, 22 outer sleeves, 23 female head locking bodies, 24 quick-connection torpedo assemblies, 25 coupling heads II, 26 pressurization righting cylinders, 27 tower-shaped weighting rods, 28 seven-core joints, 29 connecting nuts and 30 protecting threads.
Detailed Description
Referring to fig. 1-3, a horizontal well wet joint butting tool comprises a male housing 1, the left side inside the male housing 1 is sleeved with the outer surface of a righting cylinder 2, a male assembly butting part 3 is arranged inside the male housing 1, the top of the inner surface of the male housing 1 is movably connected with the outer surface of a locking hook 4, the right side of the outer surface of the locking hook 4 is inserted with the outer surface of a housing positioning key 6, the right side of the outer surface of the male housing 1 is inserted with the outer surface of a slurry circulation sleeve 7, the top of the outer surface of the slurry circulation sleeve 7 is movably connected with the bottom of the outer surface of a male positioning sleeve 8, the right side of the outer surface of the male housing 1 is welded with a transition joint 9, the right side of the outer surface of the male housing 1 is inserted with the right side of a middle connector 20, the left side of the outer surface of the middle connector 20 is overlapped with the right side of the outer, the left side of the outer surface of the oil filling plug 18 is provided with an outer joint 17, the left side of the outer surface of the outer joint 17 is provided with a coupling I16, the left side of a coupling I16 is welded with one side of a protective cap 15, one side of the outer surface of a middle connector 20 is clamped with the outer surface of a female connector electric component 21, the right side of the female connector electric component 21 is spliced with a quick-connection torpedo assembly 24, the right side of the quick-connection torpedo assembly 24 is welded with the left side of a coupling II25, the right side of a coupling II25 is spliced with a pressurizing and centering cylinder 26, the right side of the outer surface of the pressurizing and centering cylinder 26 is welded with a tower-shaped weighting rod 27, the right side of the outer surface of the tower-shaped weighting rod 27 is spliced with a seven-core connector 28, the bottom of the outer surface of the male connector electric component 3 is sleeved with a male connector insulating ring 11, the right side of the bottom of the outer surface of, the top of the inner surface of the male conductive ring 12 is embedded with the outer surface of the high-temperature lead 14, the middle part of the inner surface of the male shell 1 is provided with a male balance capsule 5, the right side of the outer surface of the male shell 1 is spliced with the left side of the outer surface of the connector component 10, the right side of the female electric connection component 21 is welded with an outer sleeve 22, the right side of the outer sleeve 22 is sheathed with a female locking body 23, the right side of the seven-core connector 28 is sheathed with a connecting cap 29, and the right side of the connecting cap 29 is provided with a thread guard 30, the horizontal well wet connector butt joint tool can be used by mutually matching the structures of the male balance capsule 5, the shell positioning key 6, the slurry circulation sleeve 7, the male positioning sleeve 8, the transition connector 9, the connector component 10 and the like, so that the horizontal well can be more advanced and practical in use, and the female locking body 23 and the quick-joint torpedo assembly, the device can reach more advanced, the performance is safer, convenient and reliable purpose, through the mutual cooperation use of structures such as coupling head II25, pressurization righting section of thick bamboo 26, tower-shaped weight bar 27, seven core joint 28, coupling nut 29, protecting silk 30 and female balanced gum cover 19, so can be more convenient when using, and the performance is higher the amount of date is more practical, so from this, the device is more practical and more convenient.
When the connector is used, the male connector assembly connecting part 3 is connected with a corresponding part of the female connector assembly after being butted, power is supplied to a logging instrument through the contact ring 13-the high-temperature lead 14-the connector assembly 10, and a signal measured by the instrument is transmitted back, wherein the contact ring 13 is made of imported high-quality beryllium bronze and is in an open ring shape, is firmly welded with the high-temperature lead 14 and then is installed in the male connector conducting ring 12, and is ensured to be communicated with the male connector conducting ring 12 by larger interference and high elasticity; silicone oil is filled in the inner cavity of the male head, the balance of the inner cavity and external pressure is kept by a pressure balance part, wherein the male head balance capsule 5 is made of high-temperature-resistant, corrosion-resistant and good-elasticity fluororubber, four folds are uniformly distributed, and the internal pressure and the external pressure are balanced by the change of the inner cavity when the external pressure changes; the locking hook 4 is used for locking after being butted with the female head assembly and is separated with specified pulling force when needed, the locking hook 4 is made of imported high-quality beryllium bronze, and locking or separation is realized by high elastic deformation of the material, and the male head positioning sleeve 8 is used for positioning and fixing the male head assembly electric connecting component 3, the locking hook 4, the slurry circulating sleeve 7, the shell positioning key 6 and the like; the lower connector component is used for connecting a logging instrument, the upper end of an IV-type rod male head shell 1 assembly is connected with a drill rod through drill rod threads, the lower end of the IV-type rod male head shell is connected with the IV-type rod male head assembly (described above), the IV-type rod male head shell consists of a male head shell 1, a righting cylinder 2 and a wet joint gasket, and the righting cylinder is used for righting and guiding a female head assembly during butt joint; the wet joint gasket is used to guide the female assembly into the righting barrel 2.
According to the invention, the connection mode and the righting mode of the pin type horizontal well wet joint butting tool male head shell are applied to the rod type horizontal well wet joint butting tool for the first time, so that the overall length of the male head shell assembly of the IV type rod type horizontal well wet joint butting tool is reduced to 1249mm, the total length of a male gun is less than 1000mm (slightly different due to different F joint forms), the length is only 12 of that of a II type product, the weight difference is more obvious, the field operation is greatly facilitated, and the labor intensity of operators is reduced.
The invention adopts the high-elasticity locking hook, locks or pulls off the female head assembly by means of the elastic deformation of the locking hook, realizes repeated butt joint of the male head and the female head for many times, saves the trouble that a female gun is required to be put out for each butt joint of I-type and II-type products, and the locking clip is replaced, saves the cost and lightens the labor intensity.
The male assembly and the female assembly are of pressure balance capsule structures, so that the oil storage space is enlarged, the internal pressure can be fully compensated, the problem that insulation is lowered due to the fact that a packing ring is broken due to rapid pressure change during butt joint so as to cause well logging failure is effectively avoided, and the instrument is more suitable for being used under the conditions of high temperature and high pressure.
The size of the conductive ring is increased from original phi 14x25 to phi 16x30, and a lead welding mode is changed, so that the connection is more reliable, and the manufacture and maintenance are more convenient. The effect of improving the success rate of butt joint is obvious.
The weighting rod assembly adopts a split structure, the female head assembly, the weighting rod assembly and the torpedo assembly all adopt a quick connection mode, the rigid connection mode of I, II type products is changed, the length of the weighting rod can be randomly adjusted according to the actual logging to adapt to different well conditions, and meanwhile, the carrying and the transportation of the products are facilitated.
The male shell assembly is made of precipitated stainless steel, so that the tensile strength is improved, the corrosion of the product is reduced to the greatest extent, and the service life of the product is prolonged.
In conclusion, the horizontal well wet joint butting tool can be more advanced and practical in use through the mutual matching use of the structures such as the male head balance capsule 5, the shell positioning key 6, the slurry circulation sleeve 7, the male head positioning sleeve 8, the transition joint 9 and the joint component 10, and can achieve the purposes of more advancement, safer use performance, convenience and reliability because of the mutual matching use of the structures such as the female head locking body 23 and the quick-connection torpedo assembly 24, and the mutual matching use of the structures such as the coupling head II25, the pressurizing righting cylinder 26, the tower-shaped weighting rod 27, the seven-core joint 28, the connecting nut 29, the protective thread 30 and the female balance rubber sleeve 19 can be more convenient in use, and the higher use performance and the higher date are more practical, so that the horizontal well is more practical and more convenient.
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 (6)
1. The utility model provides a horizontal well wet joint docking tool, includes public first shell (1), its characterized in that: the left side of the interior of the male shell (1) is connected with the outer surface of the righting barrel (2), a male assembly electricity-connecting component (3) is arranged in the male shell (1), the top of the inner surface of the male shell (1) is connected with the outer surface of the locking hook (4), the right side of the outer surface of the locking hook (4) is connected with the outer surface of the shell positioning key (6), the right side of the outer surface of the male shell (1) is connected with the outer surface of the mud circulation sleeve (7), the top of the outer surface of the mud circulation sleeve (7) is connected with the bottom of the outer surface of the male positioning sleeve (8), the right side of the outer surface of the male shell (1) is connected with the transition joint (9), the right side of the outer surface of the male shell (1) is connected with the right side of the outer surface of the middle connector (20), the left side of the outer surface of the middle connector (20) is connected with the right side of, an oil filling plug (18) is arranged on the left side of the mother balance capsule (19), an outer joint (17) is arranged on the left side of the outer surface of the oil filling plug (18), a coupling head I (16) is arranged on the left side of the outer surface of the outer joint (17), the left side of the coupling head I (16) is welded with one side of the protective cap (15), one side of the outer surface of the middle connector (20) is connected with the outer surface of the female connector electric connection assembly (21), the right side of the female joint power connection assembly (21) is spliced with a quick connection torpedo assembly (24), the right side of the quick-connection torpedo assembly (24) is connected with the left side of the coupling head II (25), the right side of the coupling head II (25) is connected with a pressurizing and centralizing cylinder (26), the right side of the outer surface of the pressurizing and centralizing cylinder (26) is connected with a tower-shaped weighting rod (27), the right side of the outer surface of the tower-shaped weighting rod (27) is connected with a seven-core joint (28); the outer surface bottom of the male head assembly electricity-connecting part (3) is sleeved with a male head insulating ring (11), and the right side of the outer surface bottom of the male head assembly electricity-connecting part (3) is connected with a male head conducting ring (12).
2. The horizontal well wet joint abutting tool according to claim 1, wherein: the top of the outer surface of the male conductive ring (12) is connected with the bottom of the outer surface of the contact ring (13), and the top of the inner surface of the male conductive ring (12) is connected with the outer surface of the high-temperature wire (14).
3. The horizontal well wet joint abutting tool according to claim 1, wherein: the middle part of the inner surface of the male shell (1) is provided with a male balance capsule (5), and the right side of the outer surface of the male shell (1) is connected with the left side of the outer surface of the joint component (10).
4. The horizontal well wet joint abutting tool according to claim 1, wherein: the right side of the female connector electricity connection assembly (21) is connected with an outer sleeve (22), and the right side of the outer sleeve (22) is connected with a female connector locking body (23).
5. The horizontal well wet joint abutting tool according to claim 1, wherein: the right side of the seven-core connector (28) is connected with a connecting cap (29), and the right side of the connecting cap (29) is provided with a protective wire (30).
6. A horizontal well wet joint butt joint method is characterized by comprising the following steps: the application of the horizontal well wet joint abutting tool according to any one of claims 1 to 5 comprises the following steps: the male head assembly connecting component (3) is connected with a corresponding component of the female head assembly after being butted, power is supplied to a logging instrument through a contact ring (13), a high-temperature lead (14) and a connector component (10), signals measured by the logging instrument are transmitted back, wherein the contact ring (13) is made of imported high-quality beryllium bronze and is in an open ring shape, the contact ring is firmly welded with the high-temperature lead (14), then the contact ring is installed in a male head conductive ring (12), and the contact ring is ensured to be conducted with the male head conductive ring (12) by larger interference and high elasticity; silicone oil is filled in the inner cavity of the male head, the balance of the inner cavity and external pressure is kept by a pressure balance part, wherein the male head balance capsule (5) is made of high-temperature-resistant, corrosion-resistant and good-elasticity fluororubber, four folds are uniformly distributed, and the internal pressure and the external pressure are balanced by the change of the inner cavity when the external pressure changes; the locking hook (4) is used for locking after being butted with the female head assembly and is released at a specified pulling force when needed, the locking hook (4) is made of imported high-quality beryllium bronze, and locking or releasing is realized by high elastic deformation of the material, wherein a male head positioning sleeve (8) is used for positioning and fixing a male head assembly electric connecting component (3), the locking hook (4), a slurry circulating sleeve (7) and a shell positioning key (6); the lower connector component is used for connecting a logging instrument, the upper end of an IV-shaped rod type male head shell (1) assembly is connected with a drill rod through drill rod threads, the lower end of the IV-shaped rod type male head assembly is connected with the IV-shaped rod type male head assembly, the IV-shaped rod type male head assembly consists of a male head shell (1), a righting cylinder (2) and a wet joint gasket, and the righting cylinder is used for righting and guiding a female head assembly during butt joint; the wet joint gasket is used to guide the female assembly into the righting barrel (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910591955.1A CN110541678B (en) | 2019-07-02 | 2019-07-02 | Horizontal well wet joint butting tool and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910591955.1A CN110541678B (en) | 2019-07-02 | 2019-07-02 | Horizontal well wet joint butting tool and method |
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| CN110541678A CN110541678A (en) | 2019-12-06 |
| CN110541678B true CN110541678B (en) | 2021-05-18 |
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| CN201910591955.1A Active CN110541678B (en) | 2019-07-02 | 2019-07-02 | Horizontal well wet joint butting tool and method |
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| CN113783032B (en) * | 2021-10-12 | 2022-06-14 | 东莞市信翰精密工业有限公司 | Waterproof connector assembly |
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| CN110541678A (en) | 2019-12-06 |
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