CN106988741A - A kind of sour gas well gas testing production test unit - Google Patents
A kind of sour gas well gas testing production test unit Download PDFInfo
- Publication number
- CN106988741A CN106988741A CN201710097407.4A CN201710097407A CN106988741A CN 106988741 A CN106988741 A CN 106988741A CN 201710097407 A CN201710097407 A CN 201710097407A CN 106988741 A CN106988741 A CN 106988741A
- Authority
- CN
- China
- Prior art keywords
- gas
- pipeline
- test unit
- production test
- liquid separator
- 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
Classifications
-
- 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
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
Abstract
The present invention relates to a kind of sour gas well gas testing production test unit.Sour gas well gas testing production test unit includes the pilot production pipeline for being provided with gas-liquid separator and heater, dropping equipment is provided with pilot production pipeline between heater and gas-liquid separator, by setting dropping equipment on the pipeline between heater and gas-liquid separator, the pressure regulation effect of dropping equipment is reduced accordingly to the pressure of the sulfurous gas after heating, so as to ensure the stabilization of the pressure for the sulfurous gas being passed through into gas-liquid separator and subsequent pipeline, alleviate situation of the sulfurous gas to the corrosion of pipeline, further, the cost of production is reduced.
Description
Technical field
The present invention relates to a kind of sour gas well gas testing production test unit.
Background technology
Hydrogen sulfide in gas well is hypertoxic gas, and hydrogen sulfide content is more than 150mg/m in atmosphere3Can be to live employee
Personal safety brings irreversible harm, can also cause hydrogen embrittlement to corrode pipeline, equipment.At present, for unconventional sour gas
The gas testing production testing operation of well there is no the standard criterion of correlation, in terms of the safety precaution, urgent safeguard procedures especially in equipment,
The testing process of gas testing pilot production is left to be desired, in traditional gas testing pilot production flow, is passed through by the sulfurous gas of well head christmas tree
It is passed through after control valve group to water jacket furnace and gas is heated, is then immediately proceeded to separator and carry out gas-liquid separation, after separation
Gas is delivered to next link via outlet line, and liquid is delivered to Water Tank by tapping line.And via water jacket stove heat
Sulfurous gas air pressure increase, the corrosive nature of pipeline subsequently connected is improved so that corruption easily occurs for follow-up pipeline
Problems of crack is lost, and then influences in the life-span of sulfur resistive tubing, to can solve the problem that due to sulfurous gas heating accordingly, it would be desirable to design one kind
The production test unit for the problem of air pressure increase causes to corrode fast afterwards.
The content of the invention
It is an object of the invention to provide a kind of sour gas well gas testing production test unit, to solve in the prior art due to sulfur-bearing
Air pressure increase causes the problem of corrosion of tubing is very fast after gas heating.
To achieve the above object, the technical scheme of sour gas well gas testing production test unit of the present invention is：
A kind of sour gas well gas testing production test unit, including it is provided with the pilot production pipeline of gas-liquid separator and heater, pilot production pipe
Dropping equipment is provided with road between heater and gas-liquid separator.
Dropping equipment includes at least two decompression pipelines being arranged in parallel, and decompression pipeline has throttle part and switch valve.
Throttle part is resistance oil nozzle sleeve.
Switch valve is flap type.
Production test unit also includes the hydrogen sulfide being arranged on the pipeline on the pipeline before heater and after gas-liquid separator
Detector.
Production test unit also includes the control valve group for being arranged on the christmas tree of well head and being connected with christmas tree, in christmas tree and control
Pressure gauge is provided with the connected pipeline of valve group processed.
The beneficial effects of the invention are as follows：Compared to prior art, sour gas well gas testing production test unit involved in the present invention,
By setting dropping equipment on the pilot production pipeline between heater and gas-liquid separator, the pressure regulation effect pair of dropping equipment adds
The pressure of sulfurous gas after heat is reduced accordingly, so as to ensure the sulfur-bearing being passed through into gas-liquid separator and subsequent pipeline
The stabilization of the pressure of gas, alleviates situation of the sulfurous gas to the corrosion of pipeline, further, reduces the cost of production.
Brief description of the drawings
Fig. 1 is the structural representation of sour gas well gas testing production test unit of the present invention.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of sour gas well gas testing production test unit of the present invention, as shown in figure 1, it includes christmas tree, sulfur resistive pipe
Line, control valve group, choke manifold, sulfur resistive water jacket furnace are heater, sulfur resistive separator, flowmeter, relief line, kill-job pipe
Line, dosing pipeline, sulfurated hydrogen detection point composition.
Wherein, christmas tree 13 is arranged on gas well mouth, its follow-up pilot production pipeline and christmas tree releasable connection, pilot production pipeline
Material be sulfur resistive tubing, such as P110S, N80S, it is ensured that in construction operation pilot production pipeline will not be corroded thorn leakage, christmas tree
13 include being arranged on flap type 1, flap type 2 and the flap type 3 in parallel by four-way flange 46 at well head, wherein flap type 1
Flap type 4 is connected by ring flange, flap type 4 is in parallel with flap type 7, flap type 8, flap type 9 by four-way flange 47, flat
It is in series with plate valve 8 on needle-valve 10, flap type 9 and is in series with needle-valve 11.Flap type 5 is connected with the corresponding upper flange of flap type 2,
Flap type 6 is connected with the upper flange of flap type 3.Dosing pipeline 12 is connected with flap type 6.
Control valve group 29 is connected on christmas tree 13, and it is made up of resistance oil nozzle sleeve, flap type, needle-valve, is connected with flange, and control
Valve group 29 processed also includes two kill lines, and upwind relief line 24 and lower wind direction relief line 23.Wherein by needle-valve
10 connect needle-valve 17 and resistance oil nozzle sleeve 19 by four-way flange 14, and flap type 5 connects needle-valve 18 and resistance oil nozzle sleeve by four-way flange 15
Connected between 20, and four-way flange 14 and four-way flange 15 by flap type.On resistance oil nozzle sleeve 20 four are parallel with resistance oil nozzle sleeve 20
Logical flange 16, the side of four-way flange 16 is in series with needle-valve 25 and the resistance oil nozzle sleeve 26 connected with needle-valve 25, lower wind direction relief line
23 are connected on resistance oil nozzle sleeve 26, and kill line 22 is connected with the opposite side of four-way flange 16；Simultaneously the one of four-way flange 14
Side is connected with kill line 21.Resistance oil nozzle sleeve 19 has the exit between resistance oil nozzle sleeve 20 to be connected with flap type 27, upwind blooie pipe
Line 24 is connected on resistance oil nozzle sleeve 20.Connect pressure gauge 44 between four-way flange 14 and needle-valve 10, four-way flange 15 and flap type 5 it
Between be connected with pressure gauge 45, monitor the sealing state of tubing and casing annular space and christmas tree in real time by pressure gauge, it is ensured that job safety.
Water jacket furnace 30 is connected to the exit of resistance oil nozzle sleeve 19, and is provided with pressure gauge between water jacket furnace 30 and resistance oil nozzle sleeve 19
31 and hydrogen sulfide detector 32, the concentration of hydrogen sulfide for detecting the sulfurous gas being passed through in water jacket furnace.
Throttling header 35 is connected to the exit of water jacket furnace 30, and it includes two decompression being arranged in parallel pipelines, each drop
It is provided with pressure pipe road on resistance oil nozzle sleeve 34, and each resistance oil nozzle sleeve 34 and is in series with flap type 33, wherein a resistance oil nozzle sleeve event
During barrier, the switching and maintenance of resistance oil nozzle sleeve can be realized by the break-make of flap type control piper.The setting of resistance oil nozzle sleeve may be such that heating
The air pressure of sulfurous gas afterwards is reduced, and then alleviates the corrosive nature to sulfur resistive tubing, extends the service life of tubing.
Gas-liquid separator 36 is arranged on the exit of choke manifold 35, and its outlet is connected with exhaust line 41, blowdown line
42 and tapping line 43.The gas part separated in gas-liquid separator is connected to water jacket furnace via the branch line of exhaust line 41
30 supply combustion gas to it, and the combustion ignition device with ever-burning flame that another part is installed by exhaust line end ignites；Gas
The liquid isolated in liquid/gas separator is connected to blowdown drum via tapping line 43.Hydrogen sulfide inspection is additionally provided with exhaust line
Device 39, pressure gauge 37, thermometer 38 and flowmeter 40 are surveyed, the Concentration Testing of hydrogen sulfide is carried out for the gas to discharge, and
Detection of the temperature of gas, pressure and flow etc..The setting of hydrogen sulfide detector can in time, accurately it is dense to gas well hydrogen sulfide
Degree is detected, finds out production sulphur changing rule, it is known that follow-up sulphur removal measure.
Implement the pilot production flow of the sour gas well gas testing production test unit of the present invention, it uses the open flow igniting side that decompression throttles
Formula gas testing pilot production, including open flow flow, gas testing pilot production flow, kill-job flow and dosing flow.
Wherein, open flow flow should be carried out first before gas testing pilot production, the first point at the combustion cell of relief line end before driving a well
Ever-burning flame is fired, slow afterwards to open christmas tree valve, gas first imports lower wind direction relief line ignition via control valve group,
See after gas and gas is gradually introduced and follow-up pilot production flow by water jacket furnace by control valve group.Above-mentioned open flow flow is normally to put
Spray, open flow flow also includes standby open flow and separator safety relief open flow, wherein, standby open flow passes through at well head christmas tree
Gas be directed into upwind relief line via control valve group, then burnt by igniter；Separator safety relief is put
Spray the gas then just risen by well head at tree and water jacket furnace is directed into by control valve group, in the sulfurous gas after water jacket stove heat
Gas-liquid separator is directed into by choke manifold, then by blowdown line, is passed through to igniter burning.
Gas testing pilot production flow includes exhaust flow path and discharge opeing flow, and exhaust flow path is that gas enters control by gas production tree line
Water jacket furnace is imported after valve group to be heated, and then gas is depressured by choke manifold, entered afterwards into gas-liquid separator
Row gas-liquid separation, the gas after separation is delivered to relief line burning via an outlet pipeline part, and another part passes through outlet
The straight line of pipeline is connected to water jacket furnace and provides combustion gas for it；And the liquid after separating is delivered to Water Tank by tapping line.
Kill-job flow includes positively press well and back-pressure well, if finding gas production wellhead thorn leakage during gas testing pilot production, causes natural
The situation that gas is largely revealed, should take positively press well measure, be specially：After kill-job car connection kill manifold, by control valve group
Each valve switch, the needle-valve 10 that kill-job liquid pump is stated through gas production is delivered in oil pipe, returning fluid is from sleeve pipe through christmas tree
Flap type 5 is discharged.If occurring the rising of casing annulus pressure during gas testing pilot production, illustrate that corrosion failure occurs for down-hole string,
Back-pressure well measure should be taken immediately, and idiographic flow is：Kill-job car connection kill manifold after, by control valve group each valve fall
Change, flap type 5 of the kill-job liquid pump through christmas tree is delivered in sleeve pipe, returning fluid discharges from needle-valve 10 of the oil pipe through christmas tree.
Set dosing flow during allowing for gas testing pilot production may occur Hydrate Plugging in pipeline and to take liquid difficult
Problem, sets up dosing pipeline, is connected by changing row's car with the flap type 6 of christmas tree, realizes foam discharging agent, hydrate inhibitor（First
Alcohol）Deng the filling of medicament, being smoothed out for gas testing pilot production is ensured.From filling liquid foam discharging agent at dosing pipeline, concentration is 3-
5 ‰, take inclination section hydrops out of, realize steady production.
In other embodiments, resistance oil nozzle sleeve could be arranged to multiple, set according to the actual needs；Switch valve can be by same
When two resistance oil nozzle sleeves of control the flap type of pipeline opening and closing replace, can also be replaced by two-bit triplet reversal valve；Hydrogen sulfide detector
It can be positioned only on the exhaust line of separator.
Claims (6)
1. a kind of sour gas well gas testing production test unit, including the pilot production pipeline of gas-liquid separator and heater is provided with, it is special
Levy and be：Dropping equipment is provided with pilot production pipeline between heater and gas-liquid separator.
2. sour gas well gas testing production test unit according to claim 1, it is characterised in that：Dropping equipment includes at least two
The decompression pipeline being arranged in parallel, decompression pipeline has throttle part and switch valve.
3. sour gas well gas testing production test unit according to claim 2, it is characterised in that：The throttle part is oil nozzle
Set.
4. sour gas well gas testing production test unit according to claim 2, it is characterised in that：The switch valve is flap type.
5. the sour gas well gas testing production test unit according to any one of Claims 1-4, it is characterised in that：Production test unit is also
Including the hydrogen sulfide detector being arranged on the pipeline on the pipeline before heater and after gas-liquid separator.
6. the sour gas well gas testing production test unit according to any one of Claims 1-4, it is characterised in that：Production test unit is also
Including the control valve group for being arranged on the christmas tree of well head and being connected with christmas tree, on the pipeline that christmas tree is connected with control valve group
It is provided with pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097407.4A CN106988741A (en) | 2017-02-22 | 2017-02-22 | A kind of sour gas well gas testing production test unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710097407.4A CN106988741A (en) | 2017-02-22 | 2017-02-22 | A kind of sour gas well gas testing production test unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106988741A true CN106988741A (en) | 2017-07-28 |
Family
ID=59414160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710097407.4A Pending CN106988741A (en) | 2017-02-22 | 2017-02-22 | A kind of sour gas well gas testing production test unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106988741A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019766A (en) * | 2018-01-22 | 2018-05-11 | 长江大学 | A kind of annular space releasing pressure automatically burner of high pressure sour gas well |
| CN110397424A (en) * | 2019-07-11 | 2019-11-01 | 中国石油工程建设有限公司 | A kind of deep water gas hydrates production system and method based on decompression exploitation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546206A (en) * | 2003-12-09 | 2004-11-17 | 南化集团研究院 | Method for removing sulfides and carbon dioxide by high pressure |
| CN1713948A (en) * | 2002-12-17 | 2005-12-28 | 弗劳尔公司 | Configurations and methods for acid gas and contaminant removal with near zero emission |
| CN202031539U (en) * | 2011-04-28 | 2011-11-09 | 中国石油化工股份有限公司 | Pressure control device for high-sulfur content gas well |
| CN203702126U (en) * | 2013-11-25 | 2014-07-09 | 中国石油化工集团公司 | Manifold system for ground tests of high-pressure gas well |
| CN105370248A (en) * | 2014-08-30 | 2016-03-02 | 中石化重庆涪陵页岩气勘探开发有限公司 | Shale gas well gas testing and production device and flow |
-
2017
- 2017-02-22 CN CN201710097407.4A patent/CN106988741A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1713948A (en) * | 2002-12-17 | 2005-12-28 | 弗劳尔公司 | Configurations and methods for acid gas and contaminant removal with near zero emission |
| CN1546206A (en) * | 2003-12-09 | 2004-11-17 | 南化集团研究院 | Method for removing sulfides and carbon dioxide by high pressure |
| CN202031539U (en) * | 2011-04-28 | 2011-11-09 | 中国石油化工股份有限公司 | Pressure control device for high-sulfur content gas well |
| CN203702126U (en) * | 2013-11-25 | 2014-07-09 | 中国石油化工集团公司 | Manifold system for ground tests of high-pressure gas well |
| CN105370248A (en) * | 2014-08-30 | 2016-03-02 | 中石化重庆涪陵页岩气勘探开发有限公司 | Shale gas well gas testing and production device and flow |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019766A (en) * | 2018-01-22 | 2018-05-11 | 长江大学 | A kind of annular space releasing pressure automatically burner of high pressure sour gas well |
| CN108019766B (en) * | 2018-01-22 | 2023-11-14 | 长江大学 | Automatic annular pressure relief combustion device of high-pressure sulfur-containing gas well |
| CN110397424A (en) * | 2019-07-11 | 2019-11-01 | 中国石油工程建设有限公司 | A kind of deep water gas hydrates production system and method based on decompression exploitation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101672478B (en) | Flare gas safe recovery and discharge system | |
| CN101382064B (en) | Underground forced oxidation and ignition technology for coal | |
| CN106988741A (en) | A kind of sour gas well gas testing production test unit | |
| CN104329687B (en) | Combination type safety control method for preventing instant exploding of petrochemical heating furnace | |
| US10767859B2 (en) | Wellhead gas heater | |
| CN204224253U (en) | A kind of hydrogen chloride synthesis furnace control system | |
| CN202031539U (en) | Pressure control device for high-sulfur content gas well | |
| CN105299661B (en) | A kind of processing system and method suitable for rich acetylene torch gas | |
| CN104401943A (en) | Hydrogen chloride synthetic furnace control system | |
| US11859815B2 (en) | Flare control at well sites | |
| CN209875140U (en) | Casing gas removing device for oil field production | |
| CN201476028U (en) | Safe recycle and discharge system for torch gas | |
| CN206235007U (en) | Incline smoke pipe heating furnace | |
| CN206861887U (en) | Integral vacuum phase transformation water batch heater | |
| CN203484026U (en) | Graded water-seal device for waste gases | |
| CN213977550U (en) | Rich oil debenzolization heating system | |
| CN204201939U (en) | Combined type prevention petroleum chemical heating furnace dodges quick-fried safety control | |
| CN104343418A (en) | Water jacket furnace matched with oil-field high-pressure oil gas well | |
| CN209180958U (en) | Mingled burning installation for waste emulsified mixture consumption | |
| CN210035548U (en) | Catalytic exhaust-heat boiler shock wave soot blower with corrosion resistance | |
| CN203379534U (en) | Multi-layer wet type backfire-proof device | |
| CN206018626U (en) | A kind of burner fire nozzle mechanism | |
| RU2753300C1 (en) | Combustion gas utilisation unit | |
| CN217763466U (en) | Integrated device for preventing heating furnace pilot burner from being extinguished with liquid | |
| CN106352544A (en) | Inclined smoke pipe heating furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170728 |