CN106522894A - Multifunctional integrated operation device specially used for coalbed methane - Google Patents
Multifunctional integrated operation device specially used for coalbed methane Download PDFInfo
- Publication number
- CN106522894A CN106522894A CN201710009838.0A CN201710009838A CN106522894A CN 106522894 A CN106522894 A CN 106522894A CN 201710009838 A CN201710009838 A CN 201710009838A CN 106522894 A CN106522894 A CN 106522894A
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- rotary body
- sleeve pipe
- pipe
- threeway
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title abstract description 12
- 239000003245 coal Substances 0.000 claims description 21
- 238000009530 blood pressure measurement Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000002265 prevention Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/006—Production of coal-bed methane
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Geophysics (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a multifunctional integrated operation device specially used for coalbed methane. The multifunctional integrated operation device specially used for coalbed methane can be used for complex operation such as gas production, water drainage, well logging, well plugging, blowout prevention and eccentric abrasion prevention. The multifunctional integrated operation device specially used for coalbed methane comprises a casing pipe, an oil pipe arranged in the casing pipe and a sucker rod arranged in the oil pipe. The upper end of the casing pipe is in threaded connection with a casing pipe four-way joint, an oil pipe three-way joint communicating with the casing pipe four-way joint is arranged at the upper end of the casing pipe four-way joint, an upper flange is arranged at the lower end of the oil pipe three-way joint, and a lower flange is arranged at the upper end of the casing pipe four-way joint. The lower flange and the upper flange are fixedly connected through a fixing bolt and a fixing nut. A rotating body is rotationally arranged inside the oil pipe three-way joint through a mounting step and a bearing. A sucker rod sealing assembly is arranged between the interior of the upper end of the rotating body and the sucker rod. The lower end of the rotating body is in threaded connection with the upper end of the oil pipe. Two handles are connected to the upper end of the rotating body.
Description
Technical field
The present invention relates to the multi-function operation device used in a kind of production of coal bed gas, more particularly to a kind of coal bed gas is special
Use multifunctional all apparatus for work.
Background technology
Coal bed gas is previously stored in coal seam with methane as main component, to adsorb based on matrix of coal surface, is partly free on
Coal hole or the hydrocarbon gas being dissolved in coal seam water, belong to Unconventional gas, and calorific value is 2-5 times of general coal, are a kind of
The new forms of energy of cleaning.China's coal bed gas resource enriches, and reserves third place in the world, exploration prospect are wide, currently form the block of scale
Exploitation uses for reference oil well operation technique based on mining with surface drill well, discharges the water in reservoir, drop by artificial lift method
Low land stressor layer, makes the methane gas of ADSORPTION STATE parse, spread, and forms continuous flow, and conventional mining system has sucker rod pump, spiral shell
Rotation pump, electric submersible pumping system, wherein well head gas production water plug is the key equipment in artificial lift, no matter which kind of mining system
System, is employed to well head gas production drainage arrangement, and conventional well head adopts arranging device by changing on 250 model, 350 type well mouth of oil well devices
Dress, equipment are heavy, install trouble, and operating type is single, after completing draining, need more exchange device could detect control pressure,
Flow, implements gas production production, carry out logging well, pressure measurement, the synthetic job such as shut-in well blowout prevention, high labor intensive, low production efficiency, safety
Hidden danger is more.
The content of the invention
The technical problem to be solved is：There is provided one kind can carry out gas production, draining, well logging, shut-in well, blowout prevention, anti-
The coal bed gas special-purpose multifunctional integrated operation device of the synthetic jobs such as eccentric wear.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：Coal bed gas special-purpose multifunctional is integrally turned into
Industry device, including：Sleeve pipe, the oil pipe being arranged in sleeve pipe, the sucker rod being arranged in oil pipe, in the threaded upper ends of described sleeve pipe
Four-way junction of casing is connected with, the oil pipe threeway being interconnected with which is provided with the upper end of described sleeve pipe four-way, in the oil
The lower end of pipe threeway is provided with upper flange, and the upper end of described sleeve pipe four-way is provided with lower flange, the lower flange and upper flange
Between be fixedly connected with fixing nut by fixing bolt, pass through installation step in the oil pipe threeway and bearing rotated and arranged
There is rotary body, sucker rod black box is provided with and sucker rod between inside the upper end of the rotary body, the rotary body
Lower end is connected with the threaded upper ends of oil pipe, is connected with two handles in the upper end of the rotary body, in described two handles and oil
The upper end of pipe threeway is respectively arranged with the bolt hole for cooperating, and described two handles are existed by caging bolt locking positioning respectively
The upper end of oil pipe threeway, is provided with cable seal erection joint on described sleeve pipe four-way, is provided with described sleeve pipe four-way
Gas outlet and pressure tap that the four-way junction of casing cavity internal with which is connected, are provided with gas outlet gate valve on the gas outlet,
Pressure measurement gate valve and pressure gauge are provided with the pressure tap, are provided with the oil pipe threeway and the rotation inside rotary body
The outlet that body cavity is connected, is provided with outlet gate valve on the outlet.
It is an advantage of the invention that：Above-mentioned coal bed gas special-purpose multifunctional integrated operation device, can carry out gas production, draining, survey
The synthetic jobs such as well, shut-in well, blowout prevention, eccentric abrasion prevention, simple structure are easy to use, and labor intensity is little, and production efficiency is high, and safety is hidden
Suffer from few.
Description of the drawings
Fig. 1 is the structural representation of coal bed gas special-purpose multifunctional integrated operation device of the present invention.
In figure：1st, sleeve pipe, 2, oil pipe, 3, sucker rod, 4, four-way junction of casing, 5, oil pipe threeway, 51, upper flange, 41, purgation
Orchid, 6, fixing bolt, 7, fixing nut, 52, installation step, 53, bearing, 54, rotary body, 55, sucker rod black box, 56,
Handle, 57, caging bolt, 42, cable seal erection joint, 43, four-way junction of casing cavity, 44, gas outlet, 45, pressure tap, 46,
Gas outlet gate valve, 47, pressure measurement gate valve, 48, pressure gauge, 541, rotary body cavity, 58, outlet, 59, outlet gate valve, 8, oil
Pipe ring is empty, and 9, casing annulus.
Specific embodiment
Describe in detail the particular content of the present invention below in conjunction with the accompanying drawings with specific embodiment.
As shown in figure 1, coal bed gas special-purpose multifunctional integrated operation device, including：Sleeve pipe 1, the oil being arranged in sleeve pipe 1
Pipe 2, the sucker rod 3 being arranged in oil pipe 2, is connected with four-way junction of casing 4 in the threaded upper ends of described sleeve pipe 1, in described sleeve pipe four
Logical 4 upper end is provided with the oil pipe threeway 5 being interconnected with which, and the lower end of the oil pipe threeway 5 is provided with upper flange
51, the upper end of described sleeve pipe four-way 4 is provided with lower flange 41, between the lower flange 41 and upper flange 51, passes through fixing bolt
6 are fixedly connected with fixing nut 7, pass through installation step 52 and bearing 53 is rotated and is provided with rotary body in the oil pipe threeway 5
54, sucker rod black box 55 is provided with inside the upper end of the rotary body 54 and sucker rod 3 between, the rotary body 54
Lower end is connected with the threaded upper ends of oil pipe 2, is connected with two handles 56 in the upper end of the rotary body 54, in described two handles
56 and the upper end of oil pipe threeway 5 be respectively arranged with the bolt hole for cooperating, described two handles 56 pass through caging bolt respectively
57 locking positionings are provided with cable seal erection joint 42, described on described sleeve pipe four-way 4 in the upper end of oil pipe threeway 5
Gas outlet 44 and pressure tap 45 that the four-way junction of casing cavity 43 internal with which is connected are provided with four-way junction of casing 4, it is described go out
Gas outlet gate valve 46 is provided with QI KOU 44, pressure measurement gate valve 47 and pressure gauge 48 is provided with the pressure tap 45, described
The outlet 58 being connected with the rotary body cavity 541 inside rotary body 54 is provided with oil pipe threeway 5, in the outlet 58
On be provided with outlet gate valve 59.
Carried out in water pumping gas production operation process using above-mentioned coal bed gas special-purpose multifunctional integrated operation device, in coal gas layer
Water discharged by oil pipe annular space 8 between oil pipe 2 and sucker rod 3, rotary body cavity 541 and outlet 58, in coal gas layer
Gas is discharged access ground by the casing annulus 9 between sleeve pipe 1 and oil pipe 2, four-way junction of casing cavity 43 and gas outlet 44 and connects gas
Device, between oil pipe 2 and sleeve pipe 1, the flow of 9 coal bed gas of casing annulus can be controlled by gas outlet gate valve 46, in pressure tap 45
Pressure measurement gate valve 47 and pressure gauge 48 are provided with, pressure gauge 48 is used for measurement apparatus well-surface part pressure, and bottom pressure is by sleeve ring
Logging sensor measurement in empty 9, according to down-hole and the situation of well head pressure difference, takes measures on customs clearance to ensure stable adopting in time
Gas operation.Logging sensor measurement is connected to the lower end of cable, and cable seal erection joint 42 is provided with four-way junction of casing 4,
Cable is passed in casing annulus 9 from cable seal erection joint 42, the lower end connection logging sensor measurement of cable, is surveyed
The measurement of well sensor carries out bottom pressure test, is not required to additionally mounted cable penetration device, saves production cost.Above-mentioned coal bed gas is special
With carrying sucker rod black box 55 above multifunctional all apparatus for work rotary body 54, sucker rod black box 55 can be with
According to job demand sucker rod 3 is carried out half envelope, it is complete seal, meet different job requirements, due to sucker rod black box 55 pairs
The sealing of sucker rod 3 belongs to the common technology means of drillng operation, is just not described in detail in this patent.For coal bed gas
Down-hole string eccentric wear is serious, and this patent devises the structure that can make 2 positive and negative rotation of oil pipe, is connected with two in the upper end of rotary body 54
Individual handle 56, is respectively arranged with the bolt hole for cooperating in the upper end of two handles 56 and oil pipe threeway 5, rotates handle 56,
Rotary body 54 drives oil pipe 2, can rotate forward or backwards, uses caging bolt 57 by 56 locking positioning of handle after rotating to an angle
In the upper end of oil pipe threeway 5, transposition adjustment is periodically carried out, it is to avoid oil pipe 2 is chronically at abrasion dress shape with 3 single locus of sucker rod
State, extends the coal bed gas well tube rod wear-out period, reduces inspection pump number of times, saves production cost.
Claims (1)
1. coal bed gas special-purpose multifunctional integrated operation device, it is characterised in that：Including：Sleeve pipe（1）, it is arranged on sleeve pipe（1）It is interior
Oil pipe（2）, it is arranged on oil pipe（2）Interior sucker rod（3）, in described sleeve pipe（1）Threaded upper ends be connected with four-way junction of casing
（4）, in described sleeve pipe four-way（4）Upper end be provided with the oil pipe threeway being interconnected with which（5）, in the oil pipe threeway
（5）Lower end be provided with upper flange（51）, in described sleeve pipe four-way（4）Upper end be provided with lower flange（41）, the lower flange
（41）And upper flange（51）Between pass through fixing bolt（6）And fixing nut（7）It is fixedly connected, in the oil pipe threeway（5）It is interior
By installation step（52）And bearing（53）Rotation is provided with rotary body（54）, in the rotary body（54）Upper end inside with take out
Beam hanger（3）Between be provided with sucker rod black box（55）, the rotary body（54）Lower end and oil pipe（2）Threaded upper ends connect
Connect, in the rotary body（54）Upper end be connected with two handles（56）, in described two handles（56）With oil pipe threeway（5）'s
Upper end is respectively arranged with the bolt hole for cooperating, described two handles（56）Pass through caging bolt respectively（57）Locking positioning exists
Oil pipe threeway（5）Upper end, in described sleeve pipe four-way（4）On be provided with cable seal erection joint（42）, in described sleeve pipe four
It is logical（4）On be provided with and its internal four-way junction of casing cavity（43）The gas outlet being connected（44）And pressure tap（45）, described
Gas outlet（44）On be provided with gas outlet gate valve（46）, in the pressure tap（45）On be provided with pressure measurement gate valve（47）And pressure gauge
（48）, in the oil pipe threeway（5）On be provided with and rotary body（5）Internal rotary body cavity（541）The outlet being connected
（58）, in the outlet（58）On be provided with outlet gate valve（59）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009838.0A CN106522894A (en) | 2017-01-06 | 2017-01-06 | Multifunctional integrated operation device specially used for coalbed methane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710009838.0A CN106522894A (en) | 2017-01-06 | 2017-01-06 | Multifunctional integrated operation device specially used for coalbed methane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106522894A true CN106522894A (en) | 2017-03-22 |
Family
ID=58336575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710009838.0A Pending CN106522894A (en) | 2017-01-06 | 2017-01-06 | Multifunctional integrated operation device specially used for coalbed methane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522894A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420082A (en) * | 2017-08-24 | 2017-12-01 | 新疆国利衡清洁能源科技有限公司 | Orifice device and air inlet for underground coal gasification |
| CN115306341A (en) * | 2022-10-12 | 2022-11-08 | 大庆市华禹石油机械制造有限公司 | Carbon dioxide drives gas production wellhead assembly that possesses corrosion protection performance |
| CN116025302A (en) * | 2021-10-26 | 2023-04-28 | 中国石油天然气集团有限公司 | Drainage gas production double-pipe-column electric submersible pump wellhead device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201412129Y (en) * | 2009-06-02 | 2010-02-24 | 中国石油天然气股份有限公司 | Gas recovery well machine liquid pumping and drainage gas recovery device |
| CN102226392A (en) * | 2011-06-01 | 2011-10-26 | 中国石油天然气股份有限公司 | Oil well multi-parameter monitoring device and working method thereof |
| CN202970597U (en) * | 2013-01-05 | 2013-06-05 | 大庆格亿钻采设备制造有限公司 | Coal bed gas well head device |
| CN103306643A (en) * | 2013-07-10 | 2013-09-18 | 崔斌 | Drainage gas recovery device and method |
| CN104747115A (en) * | 2015-03-10 | 2015-07-01 | 西南石油大学 | Multifunctional well head device of coalbed methane pumping-drainage well |
| CN206448798U (en) * | 2017-01-06 | 2017-08-29 | 盐城华亚石油机械制造有限公司 | Coal bed gas special-purpose multifunctional integrated operation device |
-
2017
- 2017-01-06 CN CN201710009838.0A patent/CN106522894A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201412129Y (en) * | 2009-06-02 | 2010-02-24 | 中国石油天然气股份有限公司 | Gas recovery well machine liquid pumping and drainage gas recovery device |
| CN102226392A (en) * | 2011-06-01 | 2011-10-26 | 中国石油天然气股份有限公司 | Oil well multi-parameter monitoring device and working method thereof |
| CN202970597U (en) * | 2013-01-05 | 2013-06-05 | 大庆格亿钻采设备制造有限公司 | Coal bed gas well head device |
| CN103306643A (en) * | 2013-07-10 | 2013-09-18 | 崔斌 | Drainage gas recovery device and method |
| CN104747115A (en) * | 2015-03-10 | 2015-07-01 | 西南石油大学 | Multifunctional well head device of coalbed methane pumping-drainage well |
| CN206448798U (en) * | 2017-01-06 | 2017-08-29 | 盐城华亚石油机械制造有限公司 | Coal bed gas special-purpose multifunctional integrated operation device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420082A (en) * | 2017-08-24 | 2017-12-01 | 新疆国利衡清洁能源科技有限公司 | Orifice device and air inlet for underground coal gasification |
| CN107420082B (en) * | 2017-08-24 | 2023-05-12 | 新疆国利衡清洁能源科技有限公司 | Orifice device and air inlet hole for underground coal gasification |
| CN116025302A (en) * | 2021-10-26 | 2023-04-28 | 中国石油天然气集团有限公司 | Drainage gas production double-pipe-column electric submersible pump wellhead device |
| CN115306341A (en) * | 2022-10-12 | 2022-11-08 | 大庆市华禹石油机械制造有限公司 | Carbon dioxide drives gas production wellhead assembly that possesses corrosion protection performance |
| CN115306341B (en) * | 2022-10-12 | 2022-12-16 | 大庆市华禹石油机械制造有限公司 | Carbon dioxide drives gas production wellhead assembly that possesses corrosion protection performance |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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| RJ01 | Rejection of invention patent application after publication |