CN103835692A - Sealed formation testing process of high hydrogen sulfide well - Google Patents
Sealed formation testing process of high hydrogen sulfide well Download PDFInfo
- Publication number
- CN103835692A CN103835692A CN201210489094.4A CN201210489094A CN103835692A CN 103835692 A CN103835692 A CN 103835692A CN 201210489094 A CN201210489094 A CN 201210489094A CN 103835692 A CN103835692 A CN 103835692A
- Authority
- CN
- China
- Prior art keywords
- gate valve
- oil
- hydrogen sulfide
- airtight
- fluid
- 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
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to a sealed formation testing process of a high hydrogen sulfide well. The sealed formation testing process of the high hydrogen sulfide well comprises an on-site installation process and an on-site formation testing process. According to the on-site installation process, the high hydrogen sulfide well is sequentially connected with a fluid conveying pipeline, a water jacket furnace and an oil-gas separator, wherein a gas outlet of the oil-gas separator is divided into two paths, one path is connected with a hoop gate valve, a separator exhaust pipeline and an ignition torch, and the other path is connected with the fluid conveying pipeline, the hoop gate valve and an oil inlet of a sealed measurement tank. An oil outlet of the sealed measurement tank is connected with the hoop gate valve, an anti-explosion oil conveying pump and an oil charging platform, and an exhaust port of the sealed measurement tank is connected with a flange gate valve I, an oil catcher, a liquid separating bag, an exhaust pipeline, a back-fire relief valve, a flange gate valve II and an emission combustion torch. According to the on-site formation testing process, mixed fluid entering the sealed measurement tank is separated in a slippage mode, separated liquid passes through the hoop gate valve and the anti-explosion oil conveying pump to the oil charging platform to be loaded on a vehicle and transported outwards, separated sulfur-contained natural gas passes through the flange gate valve I, the oil catcher, the liquid separating bag, the exhaust pipeline, the back-fire relief valve and the flange gate valve II to the emission combustion torch.
Description
Technical field
The present invention relates to a kind of airtight formation testing flow process of installing and using at high-hydrogen sulfide well.
Background technology
For containing hydrogen sulfide in oil reservoir oil field gas, even some well concentration of hydrogen sulfide exceed 1000ppm.Formation testing is asked while producing, if adopt uncovered tank metering or directly entrucking, outwards loose excessive through tank mouth after hydrogen sulfide bearing gas slippage, uncovered measuring tank and crude oil car tank mouth concentration of hydrogen sulfide generally exceed dangerous critical concentration, through outwards loose overflowing in air of tank mouth, part wellsite operation region concentration of hydrogen sulfide exceedes safety critical concentration simultaneously, and production operation personnel and well site periphery personnel are formed to serious life security threat, cause formation testing test manufacture operation discontinuous, the impact row of returning and oil well output simultaneously.And adopt the chemical sulfur elimination processing method of filling, and be formation water or moisture higher in the situation that in output, the effect of chemical sulphur removal is poor, and on-the-spot concentration of hydrogen sulfide still exceeds standard, and filling pharmaceutical quantities increases increase with moisture, operating cost expense increases.
Summary of the invention
The object of the invention is to propose a kind of practical, fitting operation simple, automaticity is higher, convenient transportation, is applicable to the airtight formation testing flow process of installing and using at high-hydrogen sulfide well.
The object of the present invention is achieved like this: it comprises on-the-spot installation procedure and on-the-spot formation testing flow process two parts the airtight formation testing flow process of high-hydrogen sulfide well, and on-the-spot installation procedure is to carry fluid line, water jacket furnace, gs-oil separator from high-hydrogen sulfide well successively connection.The outlet of gs-oil separator gas is divided into two-way, and a road connection clip gate valve, eliminator exhaust line are to igniting the torch, and another road connection carries fluid line, clip gate valve to arrive the oil-in of airtight measuring tank.The oil-out connection clip gate valve of airtight measuring tank, explosion-proof oil transfer pump are to charge of oil platform, and the exhaust opening of airtight measuring tank is installed adpting flange gate valve, oil-trap, separatory bag, exhaust line, spark arrester, flanged gate valve to diffusing burning torch; On-the-spot formation testing flow process: according to the character of produced fluid in well, be divided into three kinds of operating modes: 1. borehole fluid directly enters airtight measuring tank, 2. borehole fluid is through water jacket furnace, after entering gs-oil separator first separation, enter airtight measuring tank, 3. borehole fluid enters airtight measuring tank after directly entering gs-oil separator first separation; The fluid-mixing that enters into airtight measuring tank enters slippage and separates, and isolated liquid carries out entrucking outward transport through clip gate valve, explosion-proof oil transfer pump to charge of oil platform; Isolated sulfur-containing gas through flanged gate valve, oil-trap, separatory bag, exhaust line, spark arrester, flanged gate valve to diffusing burning torch.
The invention solves and use open formation testing flow process to cause the hydrogen sulfide bearing gas excessive potential safety hazard of faling apart, hydrogen sulfide containing natural gas is only from a small amount of dissipation of crude oil car entrucking tank mouth, field monitoring is substantially below 10ppm, really play effect, effectively ensure produced on-site operating personnel and the well site periphery masses' life security, realize continuous production, improved production timeliness, increased economic benefit.Compare adopt the individual well chemical sulfur elimination processing method of annotating, expense be only its 1/10, there is low operating cost advantage.
Accompanying drawing explanation: concrete structure of the present invention is provided by following drawings and Examples:
Fig. 1 is the airtight formation testing flow process of high-hydrogen sulfide well mounting connection structure schematic diagram;
Fig. 2 is the airtight formation testing flow process of high-hydrogen sulfide well principle schematic.
Legend: 1, high-hydrogen sulfide well, 2, water jacket furnace, 3, gs-oil separator, 4, eliminator exhaust line, 5, carry fluid line, 6, explosion-proof gauge hatch, 7, pressure sensor, 8, ultrasonic level gage, 9, breather valve, 10, spring loaded safety valve, 11, oil-trap, 12, exhaust line, 13, spark arrester, 14, ignite the torch, 15, diffuse burning torch, 16, separatory bag, 17, airtight measuring tank, 18, explosion-proof oil transfer pump, 19, charge of oil platform.
The specific embodiment:
The present invention is not subject to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.
Embodiment
:as shown in Figure 1, 2, it comprises on-the-spot installation procedure and on-the-spot formation testing flow process two parts the airtight formation testing flow process of high-hydrogen sulfide well, and on-the-spot installation procedure is to carry fluid line (5), water jacket furnace (2), gs-oil separator (3) from high-hydrogen sulfide well (1) successively connection.The outlet of gs-oil separator (3) gas is divided into two-way, and a road connection clip gate valve, eliminator exhaust line (4) are to ignite the torch (14), and another road connection carries fluid line (5), clip gate valve to arrive the oil-in of airtight measuring tank (17).Oil-out connection clip gate valve, the explosion-proof oil transfer pump (18) of airtight measuring tank (17) arrive charge of oil platform (19).The exhaust opening of airtight measuring tank (17) is installed adpting flange gate valve, oil-trap (11), separatory bag (16), exhaust line (12), spark arrester (13), flanged gate valve to diffusing burning torch (15).
Airtight measuring tank (17) top mounting spring formula safety valve (10), breather valve (9), ultrasonic level gage (8), pressure sensor (7), precision pressure gauge and explosion-proof gauge hatch (6).
On-the-spot formation testing flow process: according to the character of produced fluid in well, be divided into three kinds of operating modes:
1, borehole fluid directly enters airtight measuring tank (17): the borehole fluid of high-hydrogen sulfide well (1) is flowed through and carried fluid line (5), clip gate valve, carries fluid line (5), clip gate valve to enter into respectively and airtight measuring tank (17).
2, borehole fluid is through water jacket furnace (2), enters airtight measuring tank (17) after entering gs-oil separator (3) first separation: the borehole fluid of high-hydrogen sulfide well (1) is flowed through and carried fluid line (5), clip gate valve, water jacket furnace (2), clip gate valve to enter into gs-oil separator (3).The isolated gas of gs-oil separator (3) through clamp valve, eliminator exhaust line (4) to ignite the torch (14); Gs-oil separator (3) is isolated fluid-mixing and is entered into respectively and airtight measuring tank (17) through clip gate valve, conveying fluid line (5), clip gate valve.
3, borehole fluid enters airtight measuring tank (17) after directly entering gs-oil separator (3) first separation: the borehole fluid of high-hydrogen sulfide well (1) is flowed through and carried fluid line (5), clip gate valve, enters into gs-oil separator (3).The isolated gas of gs-oil separator (3) through clamp valve, eliminator exhaust line (4) to ignite the torch (14); Gs-oil separator (3) is isolated fluid-mixing and is entered into respectively and airtight measuring tank (17) through clip gate valve, conveying fluid line (5), clip gate valve.
The fluid-mixing that enters into airtight measuring tank (17) enters slippage and separates, and isolated liquid carries out entrucking outward transport through clip gate valve, explosion-proof oil transfer pump (18) to charge of oil platform (19); Isolated sulfur-containing gas through flanged gate valve, oil-trap (11), separatory bag (16), exhaust line (12), spark arrester (13), flanged gate valve to diffusing burning torch (15) with Everlasting fire device.
By being arranged on pressure monitoring device (precision pressure gauge and pressure sensor (7)), level monitoring device (ultrasonic level gage (8)) and the pressure control device (breather valve (9) and spring loaded safety valve (10)) on airtight measuring tank (17) top, can monitor pressure and liquid level in airtight measuring tank (17) in good time; Tank internal pressure does not reach in the situation of pressure control device setup parameter, in tank, sulfur-containing gas can only be by exhaust opening to diffusing burning torch (15) discharge burning, so just control the outside dissipation of sulfur-containing gas, realized function and the object of the airtight formation testing flow process of high-hydrogen sulfide.
Above-mentioned each process components technical data is as follows:
Carry fluid line (5): DN62mm, PN25MPa.
Clip gate valve (Z41H-250-65): DN65mm, PN25MPa.
Water jacket furnace (2) is (HJ250-Q/60-Q): thermal power 250KW, and maximum allowable working pressure 60MPa, working media is for containing wet H
2s natural gas, heating tube side design pressure 60MPa, combustion gas tube side design pressure 6MPa, shell side and smoke-fire-tube normal pressure, 100 ℃ of heating tube side design temperatures, 100 ℃ of combustion gas tube side design temperatures, 100 ℃ of shell side design temperatures, 250 ℃ of smoke-fire-tube design temperatures, heating tube side medium temperature 20-60 ℃, combustion gas tube side medium temperature 20-60 ℃, 90 ℃ of shell side medium temperatures, 200 ℃ of smoke-fire-tube medium temperatures, the thermal efficiency 85%.
Gs-oil separator (3) is (HS-8/1000): design pressure 8.5MPa, working media is natural gas, oil, water, volume 6m
3, 100 ℃ of design temperatures, natural gas processing amount 20 × 104Nm
3/ d, crude charging capacity 300T/d, water treatment amount 300T/d.
Eliminator exhaust line (4): DN62mm, PN10MPa.
(14): the DN62mm that ignites the torch, PN10MPa.
Diffuse burning torch (15) (HYFH-100): combustion medium is oil field gas, designing and arranging high-volume: 0.5 × 10
4nm
3/ d, discharge atmospheric pressure 800Pa-20kPa, the gas that ignites is liquefied petroleum gas, the atmospheric pressure 0.1MPa that ignites, gas consumption tolerance≤3Nm ignites
3/ h, 1 of flare tip quantity, torch height 2.5m, 1 of altar lamp quantity, diffuses torch diameter DN100mm, and control mode is remote electronic ignition.
Flanged gate valve (KZY41-16C): DN100mm, PN1.6MPa.
Spark arrester (13) is (ZHQ-2): DN100mm, and PN1.0MPa, back-fire relief core material is stainless steel anti-explosion fire-retardant corrugated sheet, environment temperature≤480 ℃, explosion proof ratings: BS5501: II A II B II C.
Exhaust line (12): DN100mm, PN1.0MPa.
Separatory bag (16): design pressure 0.3MPa, operating pressure 0.1MPa, working media natural gas, 50 ℃ of design temperatures, 40 ℃ of operating temperatures, treating capacity 10000 Nm
3/ d.
Airtight measuring tank (17): volume 40m
3, internal pressure strength 0.098MPa, thermal cycle coil pipe, 1.5 ".
Oil-trap (11): DN100mm, PN1.6MPa.
Spring loaded safety valve (10) is (A42Y-10): DN100mm, set-pressure 0.5MPa, 300 ℃ of operating temperatures.
Breather valve (9) (HFX-I): DN100, PN1.0MPa, environment temperature-30～+ 60 ℃, operating pressure+2000/-30mmH2O
Ultrasonic level gage (8) is (JD803): 5 meters of measurement categorys, process temperature-40-250 ℃, pressure process-0.1-4MPa, process adpting flange DN100, repeatability ± 3mm, precision < 0.1%, explosion-proof/degree of protection EXiaIICT6/IP68, signal output: 4 ... 20mA/HART (two-wire system, band secondary shows).
Pressure sensor (7) is (PTP705): range-100KPa～150KPa, precision 0.5%FS, medium temperature-20～80 ℃, output signal 4～20mA (two-wire system, band secondary show), display resolution 0001, shows number range 0001-9999MPa.
Precision pressure gauge: range-0.02-+0.04MPa, 0.4 grade of precision, minimum scale division value 0.0002MPa.
Explosion-proof gauge hatch (6): DN100mm.
Explosion-proof oil transfer pump (18) is (KCB-483-3): flow 29m
3/ h, pressure 0.36MPa, suction head 5m, power 7.5kw, rotating speed 1450r/min.
Charge of oil platform (19): DN62mm.
Above technical characterictic has formed most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs inessential technical characterictic, meets the needs of different situations.
Claims (5)
- The airtight formation testing flow process of high-hydrogen sulfide well its comprise on-the-spot installation procedure and on-the-spot formation testing flow process two parts, it is characterized in that: on-the-spot installation procedure is to carry fluid line from high-hydrogen sulfide well successively connection, water jacket furnace, gs-oil separator, the outlet of gs-oil separator gas is divided into two-way, one tunnel connection clip gate valve, eliminator exhaust line is to igniting the torch, fluid line is carried in another road connection, clip gate valve is to the oil-in of airtight measuring tank, the oil-out connection clip gate valve of airtight measuring tank, explosion-proof oil transfer pump is to charge of oil platform, the exhaust opening of airtight measuring tank is installed adpting flange gate valve, oil-trap, separatory bag, exhaust line, spark arrester, flanged gate valve is to diffusing burning torch, on-the-spot formation testing flow process: according to the character of produced fluid in well, be divided into three kinds of operating modes: 1. borehole fluid directly enters airtight measuring tank, 2. borehole fluid is through water jacket furnace, after entering gs-oil separator first separation, enter airtight measuring tank, 3. borehole fluid enters airtight measuring tank after directly entering gs-oil separator first separation, the fluid-mixing that enters into airtight measuring tank enters slippage and separates, and isolated liquid carries out entrucking outward transport through clip gate valve, explosion-proof oil transfer pump to charge of oil platform, isolated sulfur-containing gas through flanged gate valve, oil-trap, separatory bag, exhaust line, spark arrester, flanged gate valve to diffusing burning torch.
- 2. the airtight formation testing flow process of high-hydrogen sulfide well as claimed in claim 1, is characterized in that: the borehole fluid of high-hydrogen sulfide well is flowed through and carried fluid line, clip gate valve, carries fluid line, clip gate valve to enter into respectively and airtight measuring tank.
- 3. the airtight formation testing flow process of high-hydrogen sulfide well as claimed in claim 1, it is characterized in that: the borehole fluid of high-hydrogen sulfide well is flowed through and carried fluid line, clip gate valve, water jacket furnace, clip gate valve to enter into gs-oil separator, the isolated gas of gs-oil separator through clamp valve, eliminator exhaust line to igniting the torch; Gs-oil separator is isolated fluid-mixing and is entered into respectively and airtight measuring tank through clip gate valve, conveying fluid line, clip gate valve.
- 4. the airtight formation testing flow process of high-hydrogen sulfide well as claimed in claim 1, it is characterized in that: the borehole fluid of high-hydrogen sulfide well flow through carry fluid line, clip gate valve, enter into gs-oil separator, the isolated gas of gs-oil separator through clamp valve, eliminator exhaust line to igniting the torch; Gs-oil separator is isolated fluid-mixing and is entered into respectively and airtight measuring tank through clip gate valve, conveying fluid line, clip gate valve.
- 5. the airtight formation testing flow process of high-hydrogen sulfide well as claimed in claim 1, is characterized in that: airtight measuring tank top mounting spring formula safety valve, breather valve, ultrasonic level gage, pressure sensor, precision pressure gauge and explosion-proof gauge hatch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210489094.4A CN103835692A (en) | 2012-11-27 | 2012-11-27 | Sealed formation testing process of high hydrogen sulfide well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210489094.4A CN103835692A (en) | 2012-11-27 | 2012-11-27 | Sealed formation testing process of high hydrogen sulfide well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103835692A true CN103835692A (en) | 2014-06-04 |
Family
ID=50799545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210489094.4A Pending CN103835692A (en) | 2012-11-27 | 2012-11-27 | Sealed formation testing process of high hydrogen sulfide well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103835692A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106147906A (en) * | 2016-08-29 | 2016-11-23 | 四川启昌管道工程有限责任公司 | A kind of petroleum gas integration skid process units |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3976557A (en) * | 1974-11-29 | 1976-08-24 | Hydrocarbon Research, Inc. | Pretreatment of coal-derived liquid to improve magnetic separation of solids |
| US4916079A (en) * | 1988-05-13 | 1990-04-10 | Atlantic Richfield Company | Method and system for determining the concentration of a gas in a liquid |
| CN201537404U (en) * | 2009-11-17 | 2010-08-04 | 中国石油天然气股份有限公司 | Acid-proof and sulfur-proof three-phase separator |
| CN102477860A (en) * | 2010-11-29 | 2012-05-30 | 陈美玲 | Improved process for ground test of high pressure oil-gas well |
-
2012
- 2012-11-27 CN CN201210489094.4A patent/CN103835692A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3976557A (en) * | 1974-11-29 | 1976-08-24 | Hydrocarbon Research, Inc. | Pretreatment of coal-derived liquid to improve magnetic separation of solids |
| US4916079A (en) * | 1988-05-13 | 1990-04-10 | Atlantic Richfield Company | Method and system for determining the concentration of a gas in a liquid |
| CN201537404U (en) * | 2009-11-17 | 2010-08-04 | 中国石油天然气股份有限公司 | Acid-proof and sulfur-proof three-phase separator |
| CN102477860A (en) * | 2010-11-29 | 2012-05-30 | 陈美玲 | Improved process for ground test of high pressure oil-gas well |
Non-Patent Citations (2)
| Title |
|---|
| 廖仕孟: "《高含硫气田地面集输建设的实践和认识》", 《天然气工业》, vol. 28, no. 4, 25 April 2008 (2008-04-25), pages 6 - 8 * |
| 谭明文: "《川东北含硫超深气井测试地面控制技术优化研究及应用》", 《钻采工艺》, vol. 34, no. 5, 25 September 2011 (2011-09-25), pages 60 - 62 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106147906A (en) * | 2016-08-29 | 2016-11-23 | 四川启昌管道工程有限责任公司 | A kind of petroleum gas integration skid process units |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100575951C (en) | Multifunctional gas explosion experiment system | |
| CN202152181U (en) | Oil tank and oil tank truck nitrogen gasbag separation explosion-proof apparatus | |
| CN101975717B (en) | Combustible gas explosion limit test system under non-standard state | |
| CN102897445A (en) | Fireproof anti-explosion system of floating-roof oil tank | |
| CN201837624U (en) | Combustible gas explosion limit test system under non-standard state | |
| CN107120185A (en) | Gas engine peculiar to vessel | |
| CN200950138Y (en) | Multifunctional gas explosion experimental device | |
| CN103835692A (en) | Sealed formation testing process of high hydrogen sulfide well | |
| CN201464139U (en) | Natural gas leakage monitoring device for double-fuel vehicle | |
| CN113532867A (en) | Explosion-proof performance testing device for air intake and exhaust system of explosion-proof internal combustion engine | |
| CN205192996U (en) | Dust is igniteed can testing arrangement | |
| CN109856184A (en) | Constraint space flammable gas explosion flow-field test device and method under water storage condition | |
| CN206386152U (en) | A kind of device detected for coal mine gas concentration | |
| CN205748959U (en) | A kind of assay device for pipeline explosion arrestment spark arrester performance test | |
| CN207080283U (en) | Gas engine peculiar to vessel | |
| CN101776529B (en) | Equipment for small scale booster test | |
| CN213272052U (en) | Natural gas pressure regulating skid-mounted equipment suitable for low temperature environment | |
| CN211997139U (en) | General aviation fuel storage tank blasting protection and quality assurance system | |
| CN203615051U (en) | Liquid fuel storage device | |
| CN203281201U (en) | Multi-gas security response experiment device | |
| CN206184409U (en) | Without oxygen body produces device | |
| CN212110610U (en) | Flame arrester test system | |
| CN213957067U (en) | Safe and environment-friendly hydrocarbon tester | |
| CN201548217U (en) | Small explosion transfer test device | |
| CN220101397U (en) | Water resistance safety device applied to combustible gas pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140604 |