CN220285693U - Water area contains gas stratum drilling subassembly - Google Patents
Water area contains gas stratum drilling subassembly Download PDFInfo
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- CN220285693U CN220285693U CN202322091076.7U CN202322091076U CN220285693U CN 220285693 U CN220285693 U CN 220285693U CN 202322091076 U CN202322091076 U CN 202322091076U CN 220285693 U CN220285693 U CN 220285693U
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- vertical section
- drilling assembly
- section
- bearing formation
- gas bearing
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- 238000005553 drilling Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000005452 bending Methods 0.000 claims abstract description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 238000004891 communication Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 34
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 238000009933 burial Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a water area gas-containing stratum drilling assembly, which relates to the technical field of drilling equipment, and comprises a shunt tube, a connecting rod and a connecting rod, wherein the shunt tube comprises a vertical section and a bending section, the vertical section is used for being connected with a wall protection sleeve, and the end part of the bending section is provided with an exhaust port; an orifice tube in communication with the curved section and coaxially disposed with the vertical section for passing the drill rod therethrough; and the mud pipe is communicated with the joint of the vertical section and the bending section and is used for communicating the mud pit and the retaining wall sleeve. Because the tip of bending section is equipped with the gas vent, the junction intercommunication of mud pipe and vertical section and bending section for intercommunication mud pit and dado sleeve pipe, drill pipe pass is passed to the drill pipe, can prevent through simple structure that shallow air from spouting influences construction operation, has solved among the prior art and has prevented spouting sampler shell body's inside from left to right and has constructed buffer chamber, water conservancy diversion chamber, pressure release reposition of redundant personnel chamber and sample collection release chamber in proper order, has the structure complicacy, makes trouble problem.
Description
Technical Field
The utility model relates to the technical field of drilling equipment, in particular to a water area gas-bearing stratum drilling assembly.
Background
Shallow gas geology is distributed in land and sea areas, and gas in the stratum can be broadly called natural gas, and three main sources are: shallow biological cause gas, deep cracking leakage gas and hydrate decomposition migration gas, and the components are CH 4 、H 2 S、CO 2 、N 2 Etc. by CH 4 Most commonly. This is also called shallow air because of the depth of burial.
As the project of the river-crossing and sea-crossing engineering increases, the influence of shallow gas on engineering geological drilling also becomes larger, the drilling and pore-forming process is an unloading process, the overburden layer in the pore is continuously cleared to be gradually unloaded along with the increase of the pore-forming depth, and when the overburden pressure is smaller than the gas reservoir pressure of the shallow gas, the shallow gas can overflow from the pore. If shallow air pressure and air quantity reach a certain scale and channels are continuous, stronger blowout can occur, and the gas containing sediment is flushed out from the bottom of the hole, so that the safety of a construction platform and on-site operators is seriously threatened.
In the prior art, as a geothermal well pneumatic down-the-hole hammer drilling blowout prevention sampler with the patent number of CN207892610U, a buffer cavity, a flow guide cavity, a pressure relief flow distribution cavity and a sample collection and release cavity are sequentially formed in the blowout prevention sampler outer shell from left to right, so that the problems of complex structure and troublesome manufacturing exist.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a water area gas-containing stratum drilling assembly which can solve the problems that a buffer cavity, a flow guide cavity, a pressure relief flow distribution cavity and a sample collection and release cavity are sequentially formed in the outer shell of a blowout prevention sampler from left to right in the prior art, and the structure is complex and the manufacturing is troublesome.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the application provides a waters gas bearing formation drilling assembly, it includes:
the shunt tube comprises a vertical section and a bending section, wherein the vertical section is used for being connected with the wall protection sleeve, and the end part of the bending section is provided with an exhaust port;
an orifice tube in communication with the curved section and coaxially disposed with the vertical section for passing a drill rod therethrough;
and the mud pipe is communicated with the joint of the vertical section and the bending section and is used for communicating a mud pit with the retaining wall sleeve.
On the basis of the technical proposal, the method comprises the following steps,
in some alternatives, the curved segment has a lateral radius of curvature that is 2 times the shunt diameter and a medial radius of curvature that is the shunt diameter.
In some alternatives, the ends of the vertical segments are provided with threads for connection with the retaining wall sleeve.
In some alternatives, a handle is provided on the shunt.
In some alternatives, the axis of the mud pipe is perpendicular to the axis of the vertical section.
In some alternatives, the axis of the mud tube is in the same plane as the axis of the shunt tube.
In some alternatives, the mud pipe is oriented in a direction in which the curved section is curved.
In some alternatives, the diameter of the orifice tube is smaller than the diameter of the vertical section.
In some alternatives, the vent is located above the mud pipe and is oriented on the opposite side of the rig floor facing direction.
In some alternatives, the shunt tubes, orifice tubes, and mud tubes are all steel tube pieces.
Compared with the prior art, the utility model has the advantages that:
in use of the water gas bearing formation drilling assembly, the vertical section of the shunt tube is connected to the retaining wall casing, and the drill pipe is passed through the orifice tube, communicating the mud pit and the retaining wall casing through the mud pipe. Because the tip of bending section is equipped with the gas vent, the junction intercommunication of mud pipe and vertical section and bending section for intercommunication mud pit and dado sleeve pipe, drill pipe pass is passed to the drill pipe, can prevent through simple structure that shallow air from spouting influences construction operation, has solved among the prior art and has prevented spouting sampler shell body's inside from left to right and has constructed buffer chamber, water conservancy diversion chamber, pressure release reposition of redundant personnel chamber and sample collection release chamber in proper order, has the structure complicacy, makes trouble problem.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of a water gas bearing formation drilling assembly according to the present utility model;
FIG. 2 is a schematic top view of an embodiment of a water gas bearing formation drilling assembly according to the present utility model;
FIG. 3 is a schematic view of the use of an embodiment of a water gas bearing formation drilling assembly of the present utility model.
In the figure: 1. a shunt; 11. an exhaust port; 12. threading; 2. a wall protection sleeve; 3. an orifice tube; 4. a drill rod; 5. a slurry pipe; 6. a slurry pool; 7. a handle; 8. and (5) a drilling machine platform.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
Embodiments of a water gas bearing formation drilling assembly in accordance with the present utility model are described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-3, the embodiment of the utility model provides a water area gas-containing stratum drilling assembly, which comprises a shunt tube 1, an orifice tube 3 and a slurry tube 5, wherein the shunt tube 1 comprises a vertical section and a bending section, the vertical section is used for being connected with a wall protection sleeve 2, and an exhaust port 11 is arranged at the end part of the bending section; the orifice pipe 3 is communicated with the bending section and is coaxially arranged with the vertical section for passing the drill rod 4; the mud pipe 5 is communicated with the connection of the vertical section and the bending section and is used for communicating the mud pit 6 and the retaining wall sleeve 2.
In use of the water gas bearing formation drilling assembly, the vertical section of shunt tube 1 is connected to the retaining wall casing 2, and drill pipe 4 is passed through the orifice tube 3, communicating the mud pit 6 and the retaining wall casing 2 via mud pipe 5. Because the tip of bending section is equipped with gas vent 11, mud pipe 5 and vertical section and the junction intercommunication of bending section for communicate mud pit 6 and dado sleeve pipe 2, drill pipe 4 is passed to drill pipe 3, can prevent through simple structure that shallow air from spouting influences construction operation, has solved among the prior art and has prevented spouting the inside of sampler shell body and has constructed buffer chamber, water conservancy diversion chamber, pressure release reposition of redundant personnel chamber and sample collection release chamber in proper order from left to right, has the structure complicacy, makes troublesome problem.
In this example, the vertical section and the curved section of the shunt tube 1 are connected; the diameter of the orifice tube 3 is smaller than that of the exhaust port 11, so that the air outlet amount of the orifice tube 3 can be reduced; the diameter of the orifice tube 3 is 70-90mm; the diameter of the shunt tube 1 is 150-180mm; the diameter of the slurry pipe 5 is 90-100mm, and the length is 200-300mm.
In some alternative embodiments, the outside radius of curvature of the curved section is 2 times the diameter of the shunt 1 and the inside radius of curvature is the diameter of the shunt 1.
In this embodiment, when the outside radius of curvature of the curved section is 2 times the diameter of the shunt tube 1, and the inside radius of curvature is the diameter of the shunt tube 1, the use effect of the water area gas-bearing stratum drilling assembly is better, and the structure is more reasonable.
As shown in fig. 1 and 3, in some alternative embodiments, the ends of the vertical segments are provided with threads 12, the threads 12 being adapted to connect with the retaining wall sleeve 2.
In this embodiment, be equipped with screw thread 12 at the tip of vertical section, vertical section passes through screw thread 12 to be connected with dado sleeve pipe 2, and vertical section and dado sleeve pipe 2 are connected's effect better, prevent that vertical section and dado sleeve pipe 2 from separating in the use.
As shown in fig. 1 and 2, in some alternative embodiments, a handle 7 is provided on the shunt 1.
In this embodiment, the water gas bearing formation drilling assembly can be lifted by the handle 7 when the water gas bearing formation drilling assembly is installed or removed, so that the installation or removal is more convenient and the transfer process is easier.
In this example, the handle 7 is "and is formed by bending round steel bars, and has a diameter of 10mm.
In some alternative embodiments, as shown in fig. 1, the axis of the mud pipe 5 is perpendicular to the axis of the vertical section.
In this embodiment, set up the axis of mud pipe 5 perpendicular to vertical section's axis, it is more convenient when installing mud pipe 5, need not the inclination of many times adjustment mud pipe 5 and shunt tubes 1 link, it is simpler to make this waters gas-bearing stratum drilling subassembly.
In some alternative embodiments, as shown in fig. 1, the axis of the mud tube 5 is in the same plane as the axis of the shunt tube 1.
In this embodiment, the axis of the mud pipe 5 is disposed in the plane of the axis of the shunt pipe 1, so that the space occupation area of the water area gas-bearing stratum drilling assembly can be reduced, and the space utilization rate can be improved.
In some alternative embodiments, as shown in fig. 1, the mud pipe 5 is oriented in the direction of the curve.
In this embodiment, the slurry pipe 5 is arranged towards the bending direction of the bending section, so that the space occupation area of the water area gas-bearing stratum drilling assembly can be further reduced, and the space utilization rate is further improved.
In this example, the handle 7 and the mud pipe 5 are symmetrically arranged about the axis of the vertical section, and the handle 7 is more convenient to use without being affected by the bending section when the handle 7 is used.
In some alternative embodiments, as shown in fig. 1 and 2, the diameter of the orifice tube 3 is smaller than the diameter of the vertical section.
In this embodiment, when the diameter of the orifice tube 3 is smaller than the diameter of the vertical section, the drill rod 4 can be guided, preventing the drill rod 4 from being difficult to maintain a set direction in the shunt tube 1, affecting the drilling process.
As shown in fig. 1 and 3, in some alternative embodiments, the vent 11 is located above the mud pipe 5 and is oriented on the opposite side of the rig floor 8.
In this embodiment, when the exhaust port 11 is located above the slurry pipe 5, the gas is conveniently exhausted from the exhaust port 11, and the exhaust port 11 faces to the side opposite to the direction facing the drilling platform 8, so that the device on the drilling platform 8 and the operator on the drilling platform 8 are prevented from being affected by the ejected gas, and the safety is improved.
In some alternative embodiments, the shunt tubes 1, orifice tubes 3, and mud tubes 5 are all steel tube pieces.
In this embodiment, the shunt tube 1, the orifice tube 3 and the slurry tube 5 are all made of steel pipes, and when the gas-containing stratum drilling assembly in the water area is temporarily needed, the steel pipes can be used for on-site manufacturing, so that the materials are simple, the manufacturing is convenient, and the possible sudden event can be solved.
In summary, in use of the water gas bearing formation drilling assembly, the vertical section of shunt tube 1 is connected to the retaining wall casing 2, and drill pipe 4 is passed through the orifice tube 3 to communicate the mud pit 6 and the retaining wall casing 2 via mud pipe 5. Because the tip of bending section is equipped with gas vent 11, mud pipe 5 and vertical section and the junction intercommunication of bending section for communicate mud pit 6 and dado sleeve pipe 2, drill pipe 4 is passed to drill pipe 3, can prevent through simple structure that shallow air from spouting influences construction operation, has solved among the prior art and has prevented spouting the inside of sampler shell body and has constructed buffer chamber, water conservancy diversion chamber, pressure release reposition of redundant personnel chamber and sample collection release chamber in proper order from left to right, has the structure complicacy, makes troublesome problem.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that in this application, relational terms such as "first" and "second" and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A water gas bearing formation drilling assembly comprising:
the shunt tube (1) comprises a vertical section and a bending section, wherein the vertical section is used for being connected with the wall protection sleeve (2), and an exhaust port (11) is formed at the end part of the bending section;
an orifice tube (3) communicating with the curved section and coaxially arranged with the vertical section for passing a drill rod (4);
and the mud pipe (5) is communicated with the joint of the vertical section and the bending section and is used for communicating a mud pit (6) with the retaining wall sleeve (2).
2. A water gas bearing formation drilling assembly according to claim 1 wherein the curved section has an outside radius of curvature that is 2 times the diameter of the shunt tube (1) and an inside radius of curvature that is the diameter of the shunt tube (1).
3. A water gas bearing formation drilling assembly according to claim 1, wherein the ends of the vertical sections are provided with screw threads (12), the screw threads (12) being adapted to be connected to the retaining wall sleeve (2).
4. A water gas bearing formation drilling assembly according to claim 1, wherein the shunt tube (1) is provided with a handle (7).
5. A water gas bearing formation drilling assembly according to claim 1, wherein the axis of the mud pipe (5) is perpendicular to the axis of the vertical section.
6. A water gas bearing formation drilling assembly according to claim 5, wherein the axis of the mud pipe (5) is in the same plane as the axis of the shunt tube (1).
7. A water gas bearing formation drilling assembly according to claim 6, wherein the mud pipe (5) is directed in the direction of the curve of the curved section.
8. A water gas bearing formation drilling assembly according to claim 1, wherein the diameter of the orifice tube (3) is smaller than the diameter of the vertical section.
9. A water gas bearing formation drilling assembly according to claim 1, wherein the gas outlet (11) is located above the mud pipe (5) and towards the opposite side to the direction facing the rig floor (8).
10. A water gas bearing formation drilling assembly according to claim 1, wherein the shunt tube (1), the orifice tube (3) and the mud tube (5) are steel tubular members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322091076.7U CN220285693U (en) | 2023-08-04 | 2023-08-04 | Water area contains gas stratum drilling subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322091076.7U CN220285693U (en) | 2023-08-04 | 2023-08-04 | Water area contains gas stratum drilling subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220285693U true CN220285693U (en) | 2024-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322091076.7U Active CN220285693U (en) | 2023-08-04 | 2023-08-04 | Water area contains gas stratum drilling subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220285693U (en) |
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2023
- 2023-08-04 CN CN202322091076.7U patent/CN220285693U/en active Active
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