CN206638565U - A kind of acid gas reservoir sulphur deposits fracture formation damage evaluating experimental provision - Google Patents
A kind of acid gas reservoir sulphur deposits fracture formation damage evaluating experimental provision Download PDFInfo
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- CN206638565U CN206638565U CN201720448933.6U CN201720448933U CN206638565U CN 206638565 U CN206638565 U CN 206638565U CN 201720448933 U CN201720448933 U CN 201720448933U CN 206638565 U CN206638565 U CN 206638565U
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Abstract
A kind of acid gas reservoir sulphur deposition fracture formation damage evaluating experimental provision of the utility model, is made up of high sulfur-containing gas storage tank, gas boosting pump, valve, constant speed and constant pressure pump, HTHP sulfur resistive reactor, Fractured rock sample, temperature control system, confined pressure oil pump, gas flowmeter, simple desulfurization tower, absorption plant and data handling system；The device injects high sulfur-containing gas from high sulfur-containing gas storage tank, gas boosting pump, constant speed and constant pressure pump into HTHP sulfur resistive reactor, by temperature control system and confined pressure oil pump simulated formation environment, gas flow is monitored by gas flowmeter and data handling system, sulfurous gas handled by simple desulfurization tower, absorption plant；By adjusting gas boosting pump, temperature control system, confined pressure oil pump, different temperatures and pressure condition are studied, sulphur deposits the influence of fracture rock sample permeability；The utility model is simple in construction, the influence of sulphur deposition fracture rock sample permeability can be studied close to true formation condition.
Description
Technical field
Acid gas reservoir exploration and development technical field is the utility model is related to, relates more specifically to a kind of acid gas reservoir sulphur
Deposit fracture formation damage evaluating experimental provision.
Background technology
Important component of the acid gas reservoir as unconventional gas reservoir, widely distributed in the world, the sulfur-bearing in China
Gas reservoir is mainly distributed on Ordos Basin, Tarim Basin and Sichuan Basin etc., and such gas reservoir is mainly characterized by：Gas reservoir buries
Deep, hydrogen sulfide content height is hidden, geothermal gradient is big, and Storage category is mostly pore pattern carbonate rock reservoir, during acid gas reservoir is exploited,
With the continuous output of gas, strata pressure constantly declines, and elementary sulfur will be separated out with simple substance form from sulfurous gas, and appropriate
Temperature conditionss under exist in the form of solid-state sulphur, and deposited in the pore constriction of reservoir rock, so as to block natural gas
Seepage channel, stratum available pore space and permeability are reduced, influences gas well capacity.
The achievement in research deposited on sulphur in high sulfur-containing gas under high-temperature and high-pressure conditions is relatively more, patent CN104483227A
The sulphur precipitation equipment based on magnetic suspension balance announced, it is possible to achieve simulate the true high Sulphur Contaminated Environment of stratum high-temperature high pressure, significantly
Degree improves sulphur deposition measuring accuracy, and calculates viscosity, volume factor and the deviation factors of gas, On-line sampling system sulphur in real time
Core permeability dynamic change caused by deposition；Patent CN104062214B announce sulphur deposition in wellhole visual experimental apparatus and
Method, energy simulation wellbore hole working condition, realize simple substance Sulfur releasing mode in pit shaft, elemental sulfur deposition, crystal growth Micro dynamic
The Real Time Observation of the whole micro dynamic course such as process and deposition morphology.
Above patent have studied sulphur deposition of the high sulfur-containing gas in rock sample and pit shaft, and rock caused by sulphur deposition respectively
The associated change of sample permeability.But the principal flow passage that acid gas reservoir gas is migrated to pit shaft is intrinsic fracture or pressure break
Seam, so necessary evaluated for sulphur deposition fracture formation damage in high sulfur-containing gas.
The content of the invention
In order to evaluate the infringement of acid gas reservoir sulphur deposition fracture reservoir, the utility model devises a kind of high sulfur-bearing
Gas reservoir sulphur deposits fracture formation damage evaluating experimental provision, and the experimental provision is right by simulated formation high temperature and high pressure environment
It is monitored by Fractured rock sample high sulfur-containing gas flow, quickly can accurately evaluates the damage of sulphur deposition fracture rock sample
Evil degree.
The utility model is achieved through the following technical solutions：
A kind of acid gas reservoir sulphur deposits fracture formation damage evaluating experimental provision, and the device is deposited by high sulfur-containing gas
Storage tank, gas boosting pump, valve, constant speed and constant pressure pump, HTHP sulfur resistive reactor, Fractured rock sample, temperature control system, confined pressure oil
Pump, gas flowmeter, simple desulfurization tower, absorption plant and data handling system are formed；The high sulfur-containing gas storage tank connection
Gas boosting pump, gas boosting pump are connected with constant speed and constant pressure pump, and valve is provided between gas boosting pump and constant speed and constant pressure pump；Institute
Constant speed and constant pressure pump connection HTHP sulfur resistive reactor inlet port is stated, HTHP sulfur resistive reactor outlet port takes off with simple
Sulphur tower is connected, and gas flowmeter is provided between HTHP sulfur resistive reactor and simple desulfurization tower, simple desulfurization tower is with absorbing
Device is connected；The Fractured rock sample is arranged in HTHP sulfur resistive reactor, is installed on HTHP sulfur resistive reactor
Temperature control system, confined pressure oil pump are connected with HTHP sulfur resistive reactor；The temperature control system, confined pressure oil pump, gas flowmeter
It is connected with data handling system.
It is further that for the temperature control system in experiment, it is 120 DEG C to control HTHP sulfur resistive reactor temperature.
It is further that for the confined pressure oil pump in experiment, it is 55MPa to control HTHP sulfur resistive reacting kettle inner pressure.
The beneficial effects of the utility model are：When starting laboratory, by temperature control system and confined pressure oil pump respectively to height
Warm high pressure sulfur resistive reactor internal fissure rock sample applies temperature and confined pressure, opens valve, high sulfur-containing gas storage tank, gas boosting
Pump and constant speed and constant pressure pump, the high sulfur-containing gas in high sulfur-containing gas storage tank are entered after supercharging with constant pressure and speed
Enter HTHP sulfur resistive reactor, during high sulfur-containing gas is by HTHP sulfur resistive reactor internal fissure rock sample, one
Part elemental sulfur separates out from high sulfur-containing gas, and elemental sulfur deposits in the crack of Fractured rock sample, as elemental sulfur is in crack
The increase of deposition, the permeability reduction of Fractured rock sample, gas flowmeter monitor high sulfur-containing gas by splitting in property rock sample
The flow-reduction of seam property rock sample, by the high sulfur-containing gas of HTHP sulfur resistive reactor outflow successively by simple desulfurization tower with inhaling
Receiving apparatus carries out desulfurization process.In experimentation, data handling system is collected and processing temperature control system, confined pressure oil pump, gas stream
The data of gauge monitoring, by adjusting gas boosting pump, temperature control system, confined pressure oil pump, study different temperatures and pressure condition, sulphur
Deposit the influence of fracture rock sample permeability.
The advantages of the utility model：It is simple in construction, easy to operate, sulphur deposition counterincision can be studied close to true formation condition
The influence of seam property rock sample permeability.
Brief description of the drawings
Fig. 1 is a kind of structure of acid gas reservoir sulphur deposition fracture formation damage evaluating experimental provision of the utility model
Schematic diagram.
Shown in figure：1. high sulfur-containing gas storage tank, 2. gas boosting pumps, 3. valves, 4. constant speed and constant pressure pumps, 5. high temperature are high
Pressure sulfur resistive reactor, 6. Fractured rock samples, 7. temperature control systems, 8. confined pressure oil pumps, 9. gas flowmeters, 10. simple desulfurization towers,
11. absorption plant, 12. data handling systems.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of acid gas reservoir sulphur deposition fracture formation damage evaluating experimental provision of the utility model,
Mainly by high sulfur-containing gas storage tank 1, gas boosting pump 2, valve 3, constant speed and constant pressure pump 4, HTHP sulfur resistive reactor 5, split
Seam property rock sample 6, temperature control system 7, confined pressure oil pump 8, gas flowmeter 9, simple desulfurization tower 10, absorption plant 11 and data processing system
The composition of system 12；The gas boosting pump 2 is connected with high sulfur-containing gas storage tank 1, constant speed and constant pressure pump 4 respectively, high sulfur-containing gas
Storage tank 1 is used to provide high sulfur-containing gas；Constant speed and constant pressure pump 4 connects the inlet port of HTHP sulfur resistive reactor 5, HTHP
The outlet port of sulfur resistive reactor 5 is connected with simple desulfurization tower 10, gas flowmeter 9 be arranged on HTHP sulfur resistive reactor 5 with
Between simple desulfurization tower 10, gas flowmeter 9 is used to measure gas flow；Simple desulfurization tower 10 is connected with absorption plant 11,
Simple desulfurization tower 10 is used to handle the sulfurous gas after testing with absorption plant 11；Fractured rock sample 6 resists installed in HTHP
In reaction of Salmon-Saxl kettle 5, temperature control system 7 is arranged on HTHP sulfur resistive reactor 5, and confined pressure oil pump 8 reacts with HTHP sulfur resistive
Kettle 5 is connected, and temperature control system 7 and confined pressure oil pump 8 are used for simulated formation temperature and pressure environment；The temperature control system 7, confined pressure oil
Pump 8, gas flowmeter 9 are connected with data handling system 12, and data handling system 12 monitors and handled experimental data.
As preferred embodiment, temperature control system 7 controls the temperature in HTHP sulfur resistive reactor 5 to be in experiment
120℃.As preferred embodiment, confined pressure oil pump 8 controls the pressure in HTHP sulfur resistive reactor 5 to be in experiment
55MPa.The step of being tested with the device is as follows：
Step A：The internal fissure rock sample 6 of HTHP sulfur resistive reactor 5 is set by temperature control system 7 and confined pressure oil pump 8
Temperature and confined pressure；
Step B：Open valve 3, high sulfur-containing gas storage tank 1, gas boosting pump 2 and constant speed and constant pressure pump 4, high sulfur-containing gas
High sulfur-containing gas in storage tank 1 enters HTHP sulfur resistive reactor 5 after supercharging, with constant pressure and speed, high
During sulfurous gas is by the internal fissure rock sample 6 of HTHP sulfur resistive reactor 5, a part of elemental sulfur is from high sulfur-containing gas
Middle precipitation, elemental sulfur deposit in the crack of Fractured rock sample 6, are successively passed through by the high sulfur-containing gas after Fractured rock sample 6
Simple desulfurization tower 10 carries out desulfurization process with absorption plant 11, and gas flowmeter 9 monitors the high sulfur-bearing flowed out from Fractured rock sample 6
Gas flow；
Step C：The number that temperature control system 7, confined pressure oil pump 8, gas flowmeter 9 monitor is collected and handled to data handling system 12
According to the influence of the permeability of analysis sulphur deposition fracture rock sample 6.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (3)
1. a kind of acid gas reservoir sulphur deposits fracture formation damage evaluating experimental provision, mainly by high sulfur-containing gas storage tank
(1), gas boosting pump (2), valve (3), constant speed and constant pressure pump (4), HTHP sulfur resistive reactor (5), Fractured rock sample (6),
Temperature control system (7), confined pressure oil pump (8), gas flowmeter (9), simple desulfurization tower (10), absorption plant (11) and data processing system
System (12) composition, it is characterised in that：The high sulfur-containing gas storage tank (1) is connected with gas boosting pump (2), gas boosting pump
(2) it is connected with constant speed and constant pressure pump (4), valve (3) is installed between gas boosting pump (2) and constant speed and constant pressure pump (4)；The constant speed
Constant pressure pump (4) connects HTHP sulfur resistive reactor (5) inlet port, HTHP sulfur resistive reactor (5) outlet port and letter
Easy desulfurizing tower (10) is connected, and gas flowmeter is provided between HTHP sulfur resistive reactor (5) and simple desulfurization tower (10)
(9), simple desulfurization tower (10) is connected with absorption plant (11)；It is anti-that the Fractured rock sample (6) is arranged on HTHP sulfur resistive
Answer in kettle (5), temperature control system (7) is installed, confined pressure oil pump (8) and HTHP sulfur resistive are anti-on HTHP sulfur resistive reactor (5)
Kettle (5) is answered to be connected；The temperature control system (7), confined pressure oil pump (8), gas flowmeter (9) are connected with data handling system (12)
Connect.
2. a kind of acid gas reservoir sulphur deposition fracture formation damage evaluating experimental provision according to claim 1, its
It is characterised by：For the temperature control system (7) in experiment, it is 120 DEG C to control HTHP sulfur resistive reactor (5) interior temperature.
3. a kind of acid gas reservoir sulphur deposition fracture formation damage evaluating experimental provision according to claim 1, its
It is characterised by：For the confined pressure oil pump (8) in experiment, it is 55MPa to control HTHP sulfur resistive reactor (5) interior pressure.
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| CN201720448933.6U CN206638565U (en) | 2017-04-26 | 2017-04-26 | A kind of acid gas reservoir sulphur deposits fracture formation damage evaluating experimental provision |
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| CN201720448933.6U CN206638565U (en) | 2017-04-26 | 2017-04-26 | A kind of acid gas reservoir sulphur deposits fracture formation damage evaluating experimental provision |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110715888A (en) * | 2019-05-30 | 2020-01-21 | 西南石油大学 | Method for measuring size distribution change of sulfur deposit pores of high-sulfur-content gas reservoir core |
| CN111044427A (en) * | 2018-10-15 | 2020-04-21 | 中国石油天然气股份有限公司 | Core sulfur analysis system |
| CN111044412A (en) * | 2018-10-15 | 2020-04-21 | 中国石油天然气股份有限公司 | Deposited sulfur source distinguishing system |
| CN112014261A (en) * | 2020-09-04 | 2020-12-01 | 西南石油大学 | Device and method for measuring content of adsorbed sulfur based on solvent dissolution principle |
| CN113310876A (en) * | 2021-06-01 | 2021-08-27 | 西南石油大学 | High-temperature high-pressure sulfur deposition microscopic seepage visual experiment device and method |
| CN114961715A (en) * | 2022-06-01 | 2022-08-30 | 国家石油天然气管网集团有限公司 | Near-well plugging experiment simulation device and method for gas storage |
| CN115127970A (en) * | 2022-08-30 | 2022-09-30 | 西南石油大学 | Experimental simulation method for equivalent underground seepage characteristics and productivity of high-temperature and high-pressure reservoir |
-
2017
- 2017-04-26 CN CN201720448933.6U patent/CN206638565U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044427A (en) * | 2018-10-15 | 2020-04-21 | 中国石油天然气股份有限公司 | Core sulfur analysis system |
| CN111044412A (en) * | 2018-10-15 | 2020-04-21 | 中国石油天然气股份有限公司 | Deposited sulfur source distinguishing system |
| CN110715888A (en) * | 2019-05-30 | 2020-01-21 | 西南石油大学 | Method for measuring size distribution change of sulfur deposit pores of high-sulfur-content gas reservoir core |
| CN110715888B (en) * | 2019-05-30 | 2022-04-22 | 西南石油大学 | Method for measuring size distribution change of sulfur deposit pores of high-sulfur-content gas reservoir core |
| CN112014261A (en) * | 2020-09-04 | 2020-12-01 | 西南石油大学 | Device and method for measuring content of adsorbed sulfur based on solvent dissolution principle |
| CN113310876A (en) * | 2021-06-01 | 2021-08-27 | 西南石油大学 | High-temperature high-pressure sulfur deposition microscopic seepage visual experiment device and method |
| CN113310876B (en) * | 2021-06-01 | 2022-02-01 | 西南石油大学 | High-temperature high-pressure sulfur deposition microscopic seepage visual experiment device and method |
| CN114961715A (en) * | 2022-06-01 | 2022-08-30 | 国家石油天然气管网集团有限公司 | Near-well plugging experiment simulation device and method for gas storage |
| CN115127970A (en) * | 2022-08-30 | 2022-09-30 | 西南石油大学 | Experimental simulation method for equivalent underground seepage characteristics and productivity of high-temperature and high-pressure reservoir |
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