CN207396273U - A kind of experimental provision for measuring sulphur deposition influence factor in polymorphic type pit shaft - Google Patents
A kind of experimental provision for measuring sulphur deposition influence factor in polymorphic type pit shaft Download PDFInfo
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- CN207396273U CN207396273U CN201721340814.5U CN201721340814U CN207396273U CN 207396273 U CN207396273 U CN 207396273U CN 201721340814 U CN201721340814 U CN 201721340814U CN 207396273 U CN207396273 U CN 207396273U
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Abstract
The utility model discloses a kind of experimental provisions for measuring sulphur deposition influence factor in polymorphic type pit shaft, it includes feed system, reaction system and processing system, and feed system includes hydrogen sulfide source of the gas（1）, source nitrogen（2）Plus sulphur device（3）, priming apparatus（4）And sulfur resistive reaction kettle connected in sequence（5）, force (forcing) pump（6）, high temperature and pressure sulfur resistive reaction kettle（8）, pressure regulator（9）And flow controller（10）；Reaction system includes vertical bore（13）And horizontal wellbore（19）；Processing system includes back-pressure valve connected in sequence（16）, exhaust gas processing device（17）And retracting device（18）.The beneficial effects of the utility model are：The service factor of the flow velocity of gas, pressure, temperature, aqueous, sedimentation time, hydrogen sulfide content, hole angle and throttle valve can be changed to test repeatedly, the influence that different factors deposit vertical bore and horizontal wellbore sulphur can be obtained.
Description
Technical field
The utility model is related to the technical field of oil-gas field development, sulphur deposition shadow in particularly a kind of measure polymorphic type pit shaft
The experimental provision of the factor of sound.
Background technology
In acid gas reservoir recovery process, brought due to temperature, pressure reduction, fluid components variation and throttle valve
Throttle effect etc., stratum, pit shaft and surface gathering and transferring pipeline are likely to sulphur deposition occur, if a large amount of simple substance Sulfur releasings are attached to
Well bore wall can form thick and heavy sulphur deposition, reduce pipeline flow area, throttle effect, abrupt pressure reduction, gas can be generated when serious
It expanding, temperature reduces, and aggravates the formation of hydrate, blocks pit shaft, influences normally to produce, meanwhile, corrode and build the pressure and also can
Manifold is caused to damage.Due to many adverse effects of sulphur dirt, it is necessary to its scaling rule and influence factor be studied, in gas
Well production period, due to the decline of temperature, pressure, the solubility of sulphur reduces, and sulphur (solid-state or liquid) is precipitated in air-flow, due to gas
Body and the borehole wall cause the sulphur being precipitated mobile to the borehole wall and are attached to the borehole wall to form sulphur dirt, seriously affect production there are certain temperature difference.
Therefore there is an urgent need for possessing the condition for simulating vertical well shaft and gradient well shaft one-way flow, also possesses dummy level well shaft radially
The condition of flowing is used by changing flow velocity, pressure, temperature, aqueous, sedimentation time, hole angle, pit shaft type, throttle valve
Because usually testing repeatedly, the experimental provision of influence of the different factors to sulphur deposition in wellhole can be obtained.
Utility model content
The purpose of the utility model is to overcome the shortcomings that the prior art, provide sulphur in a kind of measure polymorphic type pit shaft to deposit
The experimental provision of influence factor.
The purpose of this utility model is achieved through the following technical solutions：Sulphur deposition influences in a kind of measure polymorphic type pit shaft
The experimental provision of factor, it include feed system, reaction system and processing system, the feed system include hydrogen sulfide source of the gas,
Source nitrogen plus sulphur device, priming apparatus and sulfur resistive reaction kettle connected in sequence, force (forcing) pump, high temperature and pressure sulfur resistive reaction kettle, pressure
Draught control mechanism and flow controller, the hydrogen sulfide source of the gas, source nitrogen plus sulphur device, priming apparatus connect with sulfur resistive reaction kettle
It connects, the outside of high temperature and pressure sulfur resistive reaction kettle is provided with baking oven, and the exit of flow controller is parallel with shut-off valve A and shut-off valve
B；
The reaction system includes vertical bore and horizontal wellbore, and vertical bore upper and lower end parts are closed, vertical bore
Lower end is connected with shut-off valve A, and lacing film and electric heating sheets are provided on the inner wall of vertical bore, throttling is provided in vertical bore
Valve, vertical bore are externally connected to for changing the angle controller of vertical bore hole angle；The horizontal wellbore is closed in
In sealing drum, sealing drum is connected with shut-off valve B, and multiple seepage flow holes, the outer wall of horizontal wellbore are offered on the cylinder of horizontal wellbore
On be covered with tubular membrane, horizontal wellbore is connected with the kinetic pump being arranged at outside sealing drum；
The processing system includes back-pressure valve connected in sequence, exhaust gas processing device and retracting device, the entrance of back-pressure valve
End is connected with the upper end of vertical bore, and the other end of the kinetic pump and the arrival end of back-pressure valve connect.
Described plus sulphur device and priming apparatus may be contained within the top of sulfur resistive reaction kettle.
The experimental provision includes multiple vertical bores being set up in parallel, and the upper end of each vertical bore connects with back-pressure valve
It connects, the lower end of each vertical bore is connected with shut-off valve A.
The experimental provision includes multiple horizontal wellbores being arranged side by side, and the right part of each horizontal wellbore connects with kinetic pump
It connects.
The upper end of the sealing drum is connected with the port of export of shut-off valve B.
The utility model has the following advantages：The utility model can change the flow velocity of gas, pressure, temperature, aqueous, heavy
Product time, hydrogen sulfide content, the service factor of hole angle and throttle valve are tested repeatedly, can obtain different factors to vertical bore and
The influence of horizontal wellbore sulphur deposition.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
In figure, 1- hydrogen sulfide sources of the gas, 2- source nitrogens, 3- adds sulphur device, 4- priming apparatus, 5- sulfur resistive reaction kettles, 6- pressurizations
Pump, 7- baking ovens, 8- high temperature and pressure sulfur resistive reaction kettles, 9- pressure regulators, 10- flow controllers, 11- electric heating sheets, 12- are hung
Piece, 13- vertical bores, 14- throttle valves, 15- angle controllers, 16- back-pressure valves, 17- exhaust gas processing devices, 18- retracting devices,
19- horizontal wellbores, 20- shut-off valves A, 21- sealing drum, 22- kinetic pumps, 23- shut-off valves B.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings, the scope of protection of the utility model be not limited to
It is lower described：
As shown in Figure 1, a kind of experimental provision for measuring sulphur deposition influence factor in polymorphic type pit shaft, it includes supply system
System, reaction system and processing system, the feed system include hydrogen sulfide source of the gas 1, source nitrogen 2 plus sulphur device 3, priming apparatus 4
And sulfur resistive reaction kettle 5 connected in sequence, force (forcing) pump 6, high temperature and pressure sulfur resistive reaction kettle 8, pressure regulator 9 and flow controller
10, pressure regulator 9 can change the pressure P of gas, and flow controller 10 can change the flow Q of gas, the hydrogen sulfide
Source of the gas 1, source nitrogen 2 plus sulphur device 3, priming apparatus 4 are connected with sulfur resistive reaction kettle 5, described plus sulphur device 3 and priming apparatus 4
The top of sulfur resistive reaction kettle 5 is may be contained within, priming apparatus 4 can be passed through water into sulfur resistive reaction kettle 5, that is, change amount of water Qw,
The outside of high temperature and pressure sulfur resistive reaction kettle 8 is provided with baking oven 7, and baking oven 7 can change the temperature T of gas, flow controller 10
Exit is parallel with shut-off valve A20 and shut-off valve B23, and shut-off valve A20 and shut-off valve B23 is in closing shape under original state
State.
As shown in Figure 1, the reaction system includes vertical bore 13 and horizontal wellbore 19,13 upper and lower end parts of vertical bore are equal
Closing, the lower end of vertical bore 13 are connected with shut-off valve A20, and lacing film 12 and electrical heating are provided on the inner wall of vertical bore 13
Piece 11,12 thermal conductivity of lacing film is very high, and temperature is the temperature of 13 wall of vertical bore, and forming temperature difference with gas temperature will cause
Sulphur adheres on it, and lacing film is detachable, and lacing film 12 is detachable, and the thickness for measuring the sulphur dirt for being eventually adhering to lacing film is to deposit
In the thickness of sulphur on shaft in wall, the electric heating sheets 11 can heat 13 inner wall of vertical bore to set temperature.It is described to hang down
Throttle valve 14 is provided in straight well cylinder 13, vertical bore 13 is externally connected to for changing the angle of 13 hole angle of vertical bore
Controller 15, i.e. angle controller 15 change the angle [alpha] of vertical bore 13；The horizontal wellbore 19 is closed in sealing drum 21,
Sealing drum 21 is connected with shut-off valve B23, offers multiple seepage flow holes on the cylinder of horizontal wellbore 19, on the outer wall of horizontal wellbore 19
Tubular membrane is covered with, horizontal wellbore 19 is connected with the kinetic pump 22 being arranged at outside sealing drum 21.
As shown in Figure 1, the processing system includes back-pressure valve 16 connected in sequence, exhaust gas processing device 17 and retracting device
18, the arrival end of back-pressure valve 16 is connected with the upper end of vertical bore 13, the other end and the back-pressure valve 16 of the kinetic pump 22
Arrival end connects.
As shown in Figure 1, the experimental provision includes multiple vertical bores 13 being set up in parallel, the upper end of each vertical bore 13
Portion is connected with back-pressure valve 16, and the lower end of each vertical bore 13 is connected with shut-off valve A20.The experimental provision includes multiple
The horizontal wellbore 19 being arranged side by side, the right part of each horizontal wellbore 19 are connected with kinetic pump 22.The sealing drum 21
Upper end is connected with the port of export of shut-off valve B23.
The experimental procedure of the utility model is：
First, deposition of the sulphur in vertical bore is simulated, is as follows：
S1, shut-off valve B23 opening shut-off valves A20 is closed；
S2, hydrogen sulfide source of the gas 1 and source nitrogen 2 are opened, the hydrogen sulfide gas in hydrogen sulfide source of the gas 1 enters sulfur resistive reaction kettle 5
In, the nitrogen in source nitrogen 2 enters in sulfur resistive reaction kettle 5 and is mixed with hydrogen sulfide gas, and gas enters under pneumatic pressure after mixing
In high temperature and pressure sulfur resistive reaction kettle 8, gas is heated by baking oven 7, pressure regulator 9, flow control are sequentially passed through after heating
Device 10 and shut-off valve A20 enter in vertical bore 13；Start electric heating sheets 11 simultaneously, electric heating sheets 11 add vertical bore 13
Heat makes gas and vertical bore 13 there are the temperature difference, and sulphur moves and attached thereto along 13 inner wall of vertical bore；
S3, set according to experiment, vertical bore 13 is heated to a fixed temperature T, flow Q with electric heating sheets 11, pressed
Power is P, sedimentation time t, hydrogen sulfide content H, angle α, changes the temperature of temperature, that is, baking oven of entrance gas, entrance
Section gas temperature is respectively T1, T2, T3, T4, T5, eventually by lacing film 12 is taken out, the thickness of sulphur dirt is measured, can draw gas temperature
With influence of the wall temperature difference to sulphur deposition in wellhole in vertical bore 13；
S4, set according to experiment, vertical bore 13 is heated to a fixed temperature T, entrance gas with electric heating sheets 11
Temperature be T1, flow Q, pressure P, hydrogen sulfide content H, angle α change sedimentation time, and sedimentation time is respectively
t1, t2, t3, t4, t5, eventually by lacing film 12 is taken out, the thickness of sulphur dirt is measured, can draw shadow of the sedimentation time to sulphur deposition in wellhole
It rings；
S5, set according to experiment, vertical bore 13 is heated to a fixed temperature T, entrance gas with electric heating sheets 11
Temperature be T1, flow Q, pressure P, sedimentation time t, hydrogen sulfide content H, angle α, change amount of water, add water
Amount is respectively Qw1, Qw2, Qw3, Qw4, Qw5, eventually by lacing film 12 is taken out, can draw influence of the moisture content to sulphur deposition in wellhole；
S6, set according to experiment, vertical bore 13 is heated to a fixed temperature T, entrance gas with electric heating sheets 11
Temperature T1, pressure P, sedimentation time t, hydrogen sulfide content H, angle α change gas flow, gas flow difference
For Q1, Q2, Q3, Q4, Q5, eventually by lacing film 12 is taken out, the thickness of sulphur dirt is measured, can draw shadow of the flow velocity to sulphur deposition in wellhole
It rings；
S7, set according to experiment, vertical bore 13 is heated to a fixed temperature T, entrance gas with electric heating sheets 11
Temperature be respectively T1, flow Q, sedimentation time t, hydrogen sulfide content H, angle α change gas pressure, gas pressure
Power is respectively P1, P2, P3, P4, P5, eventually by lacing film 12 is taken out, the thickness of sulphur dirt is measured, pressure can be drawn to sulphur deposition in wellhole
Influence；
S8, set according to experiment, vertical bore 13 is heated to a fixed temperature T, entrance gas with electric heating sheets 11
Temperature T1, flow is respectively Q, pressure P, sedimentation time t, angle α, changes hydrogen sulfide content, hydrogen sulfide content point
It Wei not H1, H2, H3, H4, H5, eventually by lacing film 12 is taken out, the thickness of sulphur dirt is measured, can show that hydrogen sulfide content sinks to pit shaft sulphur
Long-pending influence；
S9, set according to experiment, vertical bore 13 is heated to a fixed temperature T, entrance gas with electric heating sheets 11
Temperature T1, flow is respectively Q, pressure P, sedimentation time t, hydrogen sulfide content H, changes 13 angle of vertical bore, angle
Degree is respectively α1, α2, α3, α4, α5, eventually by lacing film 12 is taken out, the thickness of sulphur dirt is measured, can show that hole angle sinks to pit shaft sulphur
Long-pending influence；
S10, set according to experiment, vertical bore 13 is heated to a fixed temperature T, entrance gas with electric heating sheets 11
Temperature T1, flow is respectively Q, pressure P, sedimentation time t, hydrogen sulfide content H, angle α, in two vertical bores
In 13 one using throttle valve 14 another without using, eventually by take out lacing film 12, measure sulphur dirt thickness, can draw underground
The influence to throttle to sulphur deposition in wellhole；Hydrogen sulfide in step S3~S10 is filled through back-pressure valve 16, exhaust gas processing device 17 and recycling
Put 18 recycling.
From step S3~S10, when the experimental provision is by changing the flow velocity of gas, pressure, temperature, aqueous, deposition
Between, the service factor of hydrogen sulfide content, hole angle and throttle valve test repeatedly, different factors can be obtained, vertical bore sulphur is deposited
Influence.
2nd, deposition of the sulphur in horizontal wellbore is simulated, is as follows：
S11, shut-off valve A20 is closed, opens shut-off valve B23；
S22, hydrogen sulfide source of the gas 1 and source nitrogen 2 are opened, the hydrogen sulfide gas in hydrogen sulfide source of the gas 1 enters sulfur resistive reaction kettle 5
In, the nitrogen in source nitrogen 2 enters in sulfur resistive reaction kettle 5 and is mixed with hydrogen sulfide gas, and gas enters under pneumatic pressure after mixing
In high temperature and pressure sulfur resistive reaction kettle 8, gas is heated by baking oven 7, pressure regulator 9, flow control are sequentially passed through after heating
Device 10, shut-off valve B23 are finally entered in the gap between sealing drum 21 and horizontal wellbore 19；Start electric heating sheets 11 simultaneously, electricity
Heating plate 11 heats horizontal wellbore 19, makes gas with horizontal wellbore 19 there are the temperature difference, sulphur moves simultaneously along 19 inner wall of horizontal wellbore
It is attached thereto；
S33, extraction are covered on outside horizontal wellbore 19, and gas enters pit shaft by seepage flow hole, will flow and become footpath
Xiang Liu, then under the power of kinetic pump 22, the gas in horizontal wellbore 19 is sequentially through back-pressure valve 16,17 and of exhaust gas processing device
Retracting device 18 recycles.Therefore can change in the state of radial flow the flow velocity of gas, pressure, temperature, aqueous, sedimentation time,
The service factor of hydrogen sulfide content, hole angle and throttle valve is tested repeatedly, can obtain what different factors deposited horizontal wellbore sulphur
It influences.
Claims (5)
1. a kind of experimental provision for measuring sulphur deposition influence factor in polymorphic type pit shaft, it is characterised in that：It include feed system,
Reaction system and processing system, the feed system include hydrogen sulfide source of the gas（1）, source nitrogen（2）Plus sulphur device（3）Plus water dress
It puts（4）And sulfur resistive reaction kettle connected in sequence（5）, force (forcing) pump（6）, high temperature and pressure sulfur resistive reaction kettle（8）, pressure regulator
（9）And flow controller（10）, the hydrogen sulfide source of the gas（1）, source nitrogen（2）Plus sulphur device（3）, priming apparatus（4）With resisting
Reaction of Salmon-Saxl kettle（5）Connection, high temperature and pressure sulfur resistive reaction kettle（8）Outside be provided with baking oven（7）, flow controller（10）Outlet
Place is parallel with shut-off valve A（20）With shut-off valve B（23）；
The reaction system includes vertical bore（13）And horizontal wellbore（19）, vertical bore（13）Upper and lower end parts are closed, and are hung down
Straight well cylinder（13）Lower end and shut-off valve A（20）Connection, vertical bore（13）Inner wall on be provided with lacing film（12）Add with electricity
Backing（11）, vertical bore（13）Inside it is provided with throttle valve（14）, vertical bore（13）Be externally connected to for changing vertical
Pit shaft（13）The angle controller of hole angle（15）；The horizontal wellbore（19）It is closed in sealing drum（21）It is interior, sealing drum（21）
With shut-off valve B（23）Connection, horizontal wellbore（19）Cylinder on offer multiple seepage flow holes, horizontal wellbore（19）Outer wall on paste
It is covered with tubular membrane, horizontal wellbore（19）With being arranged at sealing drum（21）External kinetic pump（22）Connection；
The processing system includes back-pressure valve connected in sequence（16）, exhaust gas processing device（17）And retracting device（18）, back pressure
Valve（16）Arrival end and vertical bore（13）Upper end connection, the kinetic pump（22）The other end and back-pressure valve（16）'s
Arrival end connects.
2. a kind of experimental provision for measuring sulphur deposition influence factor in polymorphic type pit shaft according to claim 1, feature
It is：Described plus sulphur device（3）And priming apparatus（4）It may be contained within sulfur resistive reaction kettle（5）Top.
3. a kind of experimental provision for measuring sulphur deposition influence factor in polymorphic type pit shaft according to claim 1, feature
It is：The experimental provision includes multiple vertical bores being set up in parallel（13）, each vertical bore（13）Upper end with return
Pressure valve（16）Connection, each vertical bore（13）Lower end with shut-off valve A（20）Connection.
4. a kind of experimental provision for measuring sulphur deposition influence factor in polymorphic type pit shaft according to claim 1, feature
It is：The experimental provision includes multiple horizontal wellbores being arranged side by side（19）, each horizontal wellbore（19）Right part with it is dynamic
Power pumps（22）Connection.
5. a kind of experimental provision for measuring sulphur deposition influence factor in polymorphic type pit shaft according to claim 1, feature
It is：The sealing drum（21）Upper end and shut-off valve B（23）The port of export connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340814.5U CN207396273U (en) | 2017-10-18 | 2017-10-18 | A kind of experimental provision for measuring sulphur deposition influence factor in polymorphic type pit shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340814.5U CN207396273U (en) | 2017-10-18 | 2017-10-18 | A kind of experimental provision for measuring sulphur deposition influence factor in polymorphic type pit shaft |
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| CN207396273U true CN207396273U (en) | 2018-05-22 |
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| CN201721340814.5U Expired - Fee Related CN207396273U (en) | 2017-10-18 | 2017-10-18 | A kind of experimental provision for measuring sulphur deposition influence factor in polymorphic type pit shaft |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060616A (en) * | 2018-07-23 | 2018-12-21 | 西南石油大学 | A kind of high-precision sulphur deposition in wellhole influence factor visual testing device and method |
| CN110872949A (en) * | 2018-08-14 | 2020-03-10 | 中国石油天然气股份有限公司 | Device and method for simulating shaft wax deposition based on variable diameter pipeline |
| CN110905457A (en) * | 2018-08-27 | 2020-03-24 | 中国石油天然气股份有限公司 | CO2Simulation device and method for gas drive shaft scaling |
| WO2024066592A1 (en) * | 2022-09-30 | 2024-04-04 | 中国石油天然气集团有限公司 | Test method and device for the adaptability of water-based completion fluid in crude oil containing hydrogen sulfide |
| CN110905457B (en) * | 2018-08-27 | 2024-04-30 | 中国石油天然气股份有限公司 | CO2Device and method for simulating scaling of gas-driven shaft |
-
2017
- 2017-10-18 CN CN201721340814.5U patent/CN207396273U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060616A (en) * | 2018-07-23 | 2018-12-21 | 西南石油大学 | A kind of high-precision sulphur deposition in wellhole influence factor visual testing device and method |
| CN109060616B (en) * | 2018-07-23 | 2021-02-02 | 西南石油大学 | High-precision visual testing device and method for pit shaft sulfur deposition influence factors |
| CN110872949A (en) * | 2018-08-14 | 2020-03-10 | 中国石油天然气股份有限公司 | Device and method for simulating shaft wax deposition based on variable diameter pipeline |
| CN110872949B (en) * | 2018-08-14 | 2023-11-28 | 中国石油天然气股份有限公司 | Device and method for simulating well bore waxing based on reducing pipeline |
| CN110905457A (en) * | 2018-08-27 | 2020-03-24 | 中国石油天然气股份有限公司 | CO2Simulation device and method for gas drive shaft scaling |
| CN110905457B (en) * | 2018-08-27 | 2024-04-30 | 中国石油天然气股份有限公司 | CO2Device and method for simulating scaling of gas-driven shaft |
| WO2024066592A1 (en) * | 2022-09-30 | 2024-04-04 | 中国石油天然气集团有限公司 | Test method and device for the adaptability of water-based completion fluid in crude oil containing hydrogen sulfide |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |