CN219974428U - Underground harmful body monitoring and disposal integrated temporary wellhead device - Google Patents
Underground harmful body monitoring and disposal integrated temporary wellhead device Download PDFInfo
- Publication number
- CN219974428U CN219974428U CN202321484385.4U CN202321484385U CN219974428U CN 219974428 U CN219974428 U CN 219974428U CN 202321484385 U CN202321484385 U CN 202321484385U CN 219974428 U CN219974428 U CN 219974428U
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- flange
- elbow
- disposal
- thick bamboo
- solid
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 239000007787 solid Substances 0.000 claims abstract description 43
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 38
- 230000023556 desulfurization Effects 0.000 claims abstract description 38
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 15
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 15
- 241001330002 Bambuseae Species 0.000 claims description 15
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 15
- 239000011425 bamboo Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 241000607479 Yersinia pestis Species 0.000 claims 6
- 235000014121 butter Nutrition 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 28
- 230000003009 desulfurizing effect Effects 0.000 abstract description 23
- 239000003795 chemical substances by application Substances 0.000 abstract description 15
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 14
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 14
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 16
- 239000003345 natural gas Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Abstract
The utility model discloses a temporary wellhead device integrating underground harmful gas monitoring and disposal, which relates to the technical field of underground harmful gas monitoring and disposal, and comprises a circular pipe, an elbow and a solid desulfurization cylinder, wherein the circular pipe is connected with the elbow, the elbow is movably connected with the solid desulfurization cylinder, and the solid desulfurization cylinder is movably connected with the wellhead through a flange connected with a baseThe round tube is provided with H 2 S detecting instrument. The utility model not only can realize gas desulfurization, hydrogen sulfide and pressure monitoring and gas disposal after purification, but also can switch the standby desulfurization cylinder at any time to complete replacement and fault maintenance of the desulfurizing agent.
Description
Technical Field
The utility model relates to the technical field of underground harmful gas monitoring and disposal, in particular to a temporary wellhead device integrating underground harmful gas monitoring and disposal.
Background
After the abandoned well or the long stop well is opened, harmful gases such as natural gas, hydrogen sulfide and the like in the well can be immediately dissipated into the air, so that well sealing treatment is needed. However, from opening the wellhead to final well sealing, complicated processes such as well dredging, casing running, cementing, drilling a cement plug, perforating, squeezing and cementing, waiting for setting and suppressing pressure are often needed, and the time is tens of days or even months, during which the wellhead is basically in an open state, harmful gases continuously escape, and the life, health and safety of construction operators and surrounding residents are seriously threatened. In the prior art, the simple temporary well sealing such as wellhead cladding and the like cannot eliminate leakage of harmful gases such as hydrogen sulfide and the like, and complex consequences can be caused by gas energy accumulation; the pressure gauge is directly installed to monitor the instrument which is easy to corrode; the direct emission of natural gas not only has the explosion risk, but also pollutes the atmosphere; the direct connection pipeline is ignited and is sprayed, secondary pollution gas such as sulfur dioxide is easy to generate, the gas quantity is also a resource waste when being larger, the underground harmful body monitoring and disposal integrated temporary wellhead device is designed based on the gas quantity, the monitoring of gas desulfurization, hydrogen sulfide and pressure and disposal of purified gas are realized, the standby desulfurization cylinder can be switched at any time, and replacement and fault maintenance of a desulfurizing agent are completed.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provide a temporary wellhead device integrating underground harmful body monitoring and disposal, has low investment, does not need to invest hundreds of thousands of desulfurization devices, fully considers gas desulfurization, pressure monitoring and low-quantity flammable natural gas ignition and blowout, can realize comprehensive utilization of residual resources, and even has more comprehensive benefit to a certain extent than well sealing treatment; meanwhile, the pressure gauge is arranged on the circular tube, so that the direct contact between hydrogen sulfide and the pressure gauge is avoided, and the service life of the pressure gauge is prolonged.
The aim of the utility model is realized by the following technical scheme: the utility model provides a interim wellhead assembly of harmful body monitoring in pit and processing integration, the device includes pipe, elbow and solid desulfurization section of thick bamboo, the pipe is connected with the elbow, elbow and solid desulfurization section of thick bamboo swing joint, solid desulfurization section of thick bamboo carries out swing joint through flange joint base with the well head, is convenient for change solid desulfurizing agent, the pipe is provided with the H that is used for detecting hydrogen sulfide concentration 2 And S, detecting the failure of the solid desulfurizing agent after the consumption of the solid desulfurizing agent is indicated by the rising of the concentration of the hydrogen sulfide, and replacing the solid desulfurizing agent.
Further, the flange connection base is isosceles right triangle, and the central line both sides symmetry are provided with first perforation and second perforation respectively, first perforation is through flange joint with solid desulfurization section of thick bamboo, well head ring flange respectively, well head ring flange sets up in well head department, the flange connection base is provided with the rotary rod.
Further, sealing rubber strips are arranged at the top and the bottom of the flange connection base, cementing is carried out, grease with lubricating and sealing functions is coated, the flange connection base is rotated, and the purpose of replacing a standby desulfurization cylinder is achieved.
Further, the top of flange joint base is connected through flange, clamp with the bottom of solid desulfurization section of thick bamboo, the top of solid desulfurization section of thick bamboo is connected through flange, clamp with the one end of elbow, the other end of elbow carries out threaded connection with the one end of pipe, and the other end of pipe is connected to well head safety zone. Flanges, also called flange collars or lugs, are parts of the pipe-to-pipe connection for the connection between pipe ends and also useful in equipment ports for the connection between two pieces of equipment. The flange connection or the flange joint refers to the detachable connection which is formed by mutually connecting a flange, a gasket and bolts as a group of combined sealing structures, the flanges are provided with holes, the two flanges are tightly connected by the bolts, the flanges are sealed by gaskets, the thickness of the flanges with different pressures is different, and the bolts used by the flanges are also different.
The speed reducer flange is used for connecting the motor with the speed reducer and connecting the speed reducer with other equipment.
Preferably, the other end of the circular tube is provided with an open-flow ignition tube or a gas collecting tube, so that multiple functions of open-flow ignition, recycling, judging whether the desulfurizing agent is sufficient or not and the like can be realized, the risk of natural gas explosion can be eliminated according to actual needs, and residual resources can be fully utilized.
Preferably, the round tube is also provided with a valve, so that the round tube can be conveniently closed or opened at any time.
Preferably, the round tube is further provided with a pressure gauge for pressure monitoring, the pressure gauge can know the gas state in the well in real time, when the pressure is small, well sealing operation can be carried out timely, when the pressure gauge is large in monitoring pressure, bolts can be disassembled, the solid desulfurization cylinder is moved out, the solid desulfurization cylinder is rapidly switched to a harmful gas treatment link, when simple temporary well sealing such as killing is avoided, gas energy in the well is accumulated, and adverse consequences such as flushing of a wellhead by a killing object are caused.
The beneficial effects of the utility model are as follows:
1. the utility model has the advantages of less investment, no need of a short-circuit hundreds of thousands of desulfurization devices, full consideration of gas desulfurization, pressure monitoring and ignition and open-flow of low-quantity combustible natural gas, and more realization of comprehensive utilization of residual resources, even more comprehensive benefit to a certain extent than well sealing treatment.
2. The pressure gauge is arranged on the circular tube, so that the direct contact between hydrogen sulfide and the pressure gauge is avoided, and the service life of the pressure gauge is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of a solid desulfurization cartridge, a standby desulfurization cartridge, and a flanged base;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a top view of FIG. 2;
in the figure: 1-solid desulfurizing cylinder, 2-H 2 S detecting instrument, 3-manometer, 4-valve, 5-pipe, 6-elbow, 7-flange joint base, 8-first through-hole, 9-reserve desulfurization section of thick bamboo, 10-rotary rod, 11-second through-hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is further described with reference to the drawings and specific examples.
Example 1:
as shown in fig. 1 to 4, an integrated temporary wellhead device for monitoring and disposing harmful substances in the well comprises a round tube 5, an elbow 6 and a solid desulfurization cylinder 1, wherein the round tube 5 is made of steel, the round tube 5 is connected with the elbow 6, the elbow 6 is movably connected with the solid desulfurization cylinder 1, the solid desulfurization cylinder 1 is movably connected with the wellhead through a flange connection base 7, the flange connection base 7 is formed by processing steel plates, and the round tube 5 is provided with a device for detecting vulcanizationH of hydrogen concentration 2 S detection instrument 2. The solid desulfurizing cylinder 1 is filled with a certain amount of solid desulfurizing agent for absorbing hydrogen sulfide, including but not limited to solid adsorbents such as soda lime, iron, zinc, manganese and the like, and the consumption condition of the solid desulfurizing agent can be realized by H 2 S detecting instrument 2 shows that the gas containing hydrogen sulfide and natural gas in the wellhead rises to solid desulfurizing cylinder 1 for desulfurizing, then passes through elbow 6 to round tube 5, and the subsequent equipment has no hydrogen sulfide corrosion due to removal of hydrogen sulfide, the desulfurized gas can be used for collecting and utilizing or discharging and igniting, and the rise of the concentration of hydrogen sulfide indicates that the solid desulfurizing agent is consumed and fails, and the solid desulfurizing agent can be replaced.
Example 2:
based on the embodiment 1, the flange connection base 7 is improved, the flange connection base 7 is an isosceles right triangle formed by cutting square steel plates with side length of (2+2 v 2) and thickness of 12mm-20mm along diagonal lines, two units (two small isosceles right triangle units) with identical structures are formed along the central line of the bevel edge of the isosceles right triangle, the isosceles right triangle units can be freely switched, the solid desulfurizing agent in the solid desulfurizing barrel 1 can be conveniently replaced, daily maintenance and repair replacement are convenient, a through hole with the same inner diameter as a wellhead flange disc is dug in each unit along the inner center of the small right triangle, the first through hole 8 is connected with the solid desulfurizing barrel 1 and the wellhead flange disc through flanges, the wellhead flange disc is arranged at a wellhead, the second through hole 11 is connected with the standby desulfurizing barrel 9, and the flange connection base 7 is provided with a rotary rod 10.
The top and the bottom of the flange connection base 7 are both provided with sealing rubber strips with the same shape, cementing is carried out, grease with lubricating and sealing functions is coated, the flange connection base 7 can be rotated by 45 degrees through rotating the rotary rod 10 of the flange connection base 7, the switching of any unit can be rapidly realized, the switching solid desulfurization cylinder 1 is used as a standby desulfurization cylinder 9, meanwhile, the rotary rod 10 can be engraved with angles for assistance, and H 2 The increase in the concentration of hydrogen sulfide detected by the S detector 2 indicates that the solid desulfurizing agent has been consumed, and the solid desulfurizing agent can be replaced by a spare desulfurizing cartridge 9 by rotating the rotary rod 10 of the flange-mounted base 7.
Example 3:
on the basis of embodiment 1, this embodiment improves flange joint base 7, and flange joint base 7's top is connected through flange, clamp with the bottom of solid desulfurization section of thick bamboo 1, and flange, clamp are passed through with the one end of elbow 6 to the top of solid desulfurization section of thick bamboo 1, and threaded connection is carried out with the one end of pipe 5 to the other end of elbow 6, and the other end of pipe 5 is connected to well head safety zone.
The other end of the circular tube 5 is provided with an open-flow ignition tube or a gas collecting tube, so that multiple functions of open-flow ignition, recycling, judging whether the desulfurizing agent is sufficient or not and the like can be realized, the natural gas explosion risk can be eliminated according to actual needs, and the residual resources can be fully utilized.
The round tube 5 is also provided with a valve 4. When the open flow ignition or gas collection is needed, the valve 4 is opened, the natural gas explosion risk is eliminated, and the residual resources can be fully utilized.
Example 4:
the present embodiment is an improvement over the round tube 5 based on embodiments 1-3, and the round tube 5 is further provided with a pressure gauge 3 for pressure monitoring. The pressure gauge 3 can know the gas state in the well in real time, and when the pressure is smaller, the well sealing operation can be performed timely. When the pressure gauge 3 monitors that the pressure is large, the bolts can be disassembled, the solid desulfurization cylinder 1 is moved out, and the solid desulfurization cylinder is rapidly switched to a harmful gas disposal link, so that the adverse consequences of flushing a wellhead and the like of a overburden are caused due to gas energy accumulation in the well when the well is simply and temporarily sealed, such as the overburden, are avoided.
The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein and is not to be considered as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, as expressed herein, by the foregoing teachings or by the skilled person or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (7)
1. Underground harmful body monitoring and disposal integrated temporary wellhead deviceIs characterized in that: including pipe (5), elbow (6) and solid desulfurization section of thick bamboo (1), pipe (5) are connected with elbow (6), elbow (6) and solid desulfurization section of thick bamboo (1) swing joint, solid desulfurization section of thick bamboo (1) and well head carry out swing joint through flange joint base (7), pipe (5) are provided with H 2 S detecting instrument (2).
2. A temporary wellhead integrated downhole pest monitoring and disposal according to claim 1, wherein: the flange connection base (7) is isosceles right triangle, wherein line both sides symmetry are provided with first through hole (8) and second through hole (11) respectively, first through hole (8) pass through flange joint with solid desulfurization section of thick bamboo (1), well head ring flange respectively, well head ring flange sets up in well head department, flange connection base (7) are provided with rotary rod (10).
3. A temporary wellhead integrated downhole pest monitoring and disposal according to claim 2, wherein: sealing rubber strips are arranged at the top and the bottom of the flange connection base (7) and are coated with butter.
4. A temporary wellhead integrated downhole pest monitoring and disposal according to claim 1, wherein: the top of flange joint base (7) is connected through flange, clamp with the bottom of solid desulfurization section of thick bamboo (1), the top of solid desulfurization section of thick bamboo (1) is connected through flange, clamp with the one end of elbow (6), the other end of elbow (6) carries out threaded connection with the one end of pipe (5).
5. A downhole pest monitoring and disposal integrated temporary wellhead according to claim 4, wherein: the other end of the round tube (5) is provided with an open-flow ignition tube or a gas collecting tube.
6. A temporary wellhead integrated downhole pest monitoring and disposal according to claim 5, wherein: the round tube (5) is also provided with a valve (4).
7. A temporary wellhead integrated downhole pest monitoring and disposal according to claim 1, wherein: the round tube (5) is also provided with a pressure gauge (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484385.4U CN219974428U (en) | 2023-06-12 | 2023-06-12 | Underground harmful body monitoring and disposal integrated temporary wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484385.4U CN219974428U (en) | 2023-06-12 | 2023-06-12 | Underground harmful body monitoring and disposal integrated temporary wellhead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219974428U true CN219974428U (en) | 2023-11-07 |
Family
ID=88588640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321484385.4U Active CN219974428U (en) | 2023-06-12 | 2023-06-12 | Underground harmful body monitoring and disposal integrated temporary wellhead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219974428U (en) |
-
2023
- 2023-06-12 CN CN202321484385.4U patent/CN219974428U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |