CN205449698U - Anti outer crowded intensity experimental apparatus of sand control pipe under evaluation high temperature environment - Google Patents
Anti outer crowded intensity experimental apparatus of sand control pipe under evaluation high temperature environment Download PDFInfo
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- CN205449698U CN205449698U CN201620163445.6U CN201620163445U CN205449698U CN 205449698 U CN205449698 U CN 205449698U CN 201620163445 U CN201620163445 U CN 201620163445U CN 205449698 U CN205449698 U CN 205449698U
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- sand
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- autoclave
- pressure
- proof pipe
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Abstract
The utility model relates to an anti outer crowded intensity experimental apparatus of sand control pipe under evaluation high temperature environment, it includes an autoclave, the autoclave is greater than the tubular structure of sand control external diameter of pipe for the internal diameter, the autoclave both ends are connected with sealed lid with the valve gap respectively, there is an opening in the middle of the valve gap, be used for connecting the high pressure line, the high -pressure pump is connected to the high pressure line other end, there is an opening in the middle of the sealed lid, be used for connecting the drainage tube, it is used for fixing the one end of managing with sealed sand control to seal the lid inboard, the sand control pipe other end is with the gland seal who takes the second sealing washer, it is sealed gluey that the one deck is paintd on sand control outside of tubes surface, a centralizer is connected to sand control outside of tubes side, autoclave internal connection has pressure sensor and temperature sensor and heating pipe, the heating pipe links to each other with temperature controller, temperature sensor passes through data collection station and transmits for the computer with the data that pressure sensor gathered, data collection station also transmits temperature data for temperature controller simultaneously, the utility model discloses the sand control pipe resists outer crowded intensity under can reflecting high temperature environment.
Description
Technical field
The utility model discloses sand-proof pipe collapse resistance experimental provision under a kind of Lab-evaluation hot environment.
Background technology
During oil-gas mining, sand-proof pipe is at a few km in underground, local environment temperature is higher, the erosion of sand-proof pipe bottom hole to be stood, the extruding of rock of borehole to be stood, the simultaneously high temperature in shaft bottom to be born, sand-proof pipe local environment is complicated, after long-term exploitation, all there is the problem that sand-proof pipe damages in the most wells in oil field.If sand-proof pipe damages, sand-proof pipe loses the function of sand control, can be worn and torn after sand grains entrance pit shaft in stratum oil well pump and sucker rod, add the frequency of well workover, considerably increase maintenance cost, and sand production in oil can block oil well time serious, make oil well stop production even to scrap, and gas-bearing formation is when shaking out, owing to the flow velocity of gas is fast, the sand grains that it carries understands heavy wear oil pipe and surface line, can make oil pipe and surface line that thorn leakage occurs time serious, have a strong impact on production safety, particularly with deep water gas field, sand production from gas reservoir is the most unallowed, because once the squeezed evil idea of sand-proof pipe and lose sand-proof function, substantial amounts of sand grains flows in high velocity air, the extra large pipe that down-hole is kept a grip on and laid will be quickly invalidated, cannot be carried out well workover, marine environment will be caused mortal injury.Current modal mechanical sand control mode has: slotted liner, wire-wrapped screen, gravel filling, high-quality screen casing and other various new sand control screens.Key successful for oil field sand prevention is mainly not only in that the selection of sand control method and parameter, and quality, cost and the oil well yield etc. of sand control are all had a great impact by the quality of sand prevention tube performance.Sand-proof pipe is the long term of high temperature to be stood in down-hole, owing to selected sand-proof pipe does not mates relative to residing ground environment temperature, thus cause sand-proof pipe premature breakdown often to have generation, once sand-proof pipe lost efficacy will cause the failure of the whole sand control treatment of oil well, well is even made to scrap, so selecting suitable sand-proof pipe most important.Sand-proof pipe deformation is the important damage type in production process, sand-proof pipe receives formation rock, formation fluid, tectogenetic effect in the shaft bottom that several kms are deep, bear huge external pressure, and the effect of high temperature can reduce the collapse resistance of sand-proof pipe, when external pressure exceedes the collapse resistance of sand-proof pipe, sand-proof pipe will occur irreversible destruction.Now in the middle of oil field, on sand-proof pipe selects, primary concern is that sand control initial production and sand production rate, never consider the yield after sand-proof pipe damages under hot environment effect and damages in long-range production process and sand production rate.Optimum sand control measure is to consider initial stage sand control achievement, it is often more important that consider the effect of long-range sand control, improves the Long Service Life of sand-proof pipe.Reach this purpose, sand control method when not only needing preferred completion and parameter, sand-proof pipe to be considered service life the most in high temperature environments.Accordingly, it would be desirable to develop one can be evaluated sand-proof pipe collapse resistance experimental provision under hot environment in laboratory, for the collapse resistance of evaluating sand prevention tube.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide a kind of indoor and is evaluated sand-proof pipe collapse resistance experimental provision under hot environment, this device can simulate the collapse resistance of sand-proof pipe in sand-proof pipe residing hot environment in process of production, reaches the purpose of evaluating sand prevention tube performance.
For achieving the above object, this utility model takes techniques below scheme: a kind of evaluate sand-proof pipe collapse resistance experimental provision under hot environment, it is characterised in that: it includes an autoclave, a sand-proof pipe, a centralizer, a drainage tube, one adds heat pipe, a pressure transducer, a temperature sensor, a gland, one seals lid, a valve gap, a data acquisition unit, one connects liquid pool, a temperature controller, a computer, a water tank, a water injecting pump, a high-pressure pump, a relief valve；
nullOne layer of fluid sealant of described sand-proof pipe external application，Sand-proof pipe is outside installs a centralizer，Gland will install the second sealing ring，Then gland is connected with sand-proof pipe one end，And with the second safetied pin, gland is locked with sand-proof pipe，The first sealing ring is installed in sealing being covered，Then sealing lid is connected with the sand-proof pipe other end，And with the first safetied pin, sealing lid is locked with sand-proof pipe，Then sand-proof pipe is loaded autoclave，It is installed to drainage tube one end seal lid，The drainage tube other end is placed in and connects liquid pool，High pressure line one end is connected with valve gap，The other end is connected with high-pressure pump，Water injecting pump is used for injecting in autoclave the water in water tank，First water injection valve in the injecting process、Second water injection valve is opened，Relief valve is opened in water injecting pump the injecting process，After relief valve starts water outlet，Close relief valve and water injecting pump，It is then shut off the first water injection valve、Second water injection valve，Pressure transducer and temperature sensor are placed in autoclave，It is used for measuring the temperature and pressure in autoclave，Pressure transducer and the surveyed data of temperature sensor pass to computer after being arranged by data acquisition unit，Storage and the surveyed data of display in real time in a computer，Add heat pipe to be arranged in autoclave，Add heat pipe to be connected with temperature controller，The temperature data that data acquisition unit is gathered is also passed to temperature controller，Temperature controller can set the temperature in autoclave，When the temperature data that data acquisition unit is transmitted reaches set temperature，Temperature controller will automatically control and add heat pipe and stop heating，When the temperature in autoclave reduces，Data acquisition unit is passed to by the data measured by temperature sensor，After being arranged by data acquisition unit, temperature data is passed to temperature controller，Temperature controller will automatically control and add heat pipe and reheat，After sand-proof pipe reaches the scheduled time in hot environment，Start high-pressure pump，Water in autoclave is pressurizeed，Now sand-proof pipe bears certain pressure，By adjusting high-pressure pump thus change the pressure in autoclave，When the first Pressure gauge、When the pressure that second Pressure gauge and pressure transducer are gathered has a bust，It is squeezed bad that we are considered as sand-proof pipe，Water in autoclave enters drainage tube by the crowded place of ruining of sand-proof pipe，And then inflow connects liquid pool，Close high-pressure pump，Open relief valve to be released by the pressure in autoclave，Abrupt pressure reduction point can be found by the pressure data of Computer Storage，Pressure before bust point is exactly tested sand-proof pipe collapse resistance in high temperature environments.
Described temperature controller can set the heating-up temperature of water in autoclave, and the real time temperature in the autoclave transmitted by data acquisition unit, can automatically control and add heat pipe, thus the temperature in ensureing autoclave is the temperature set by constant temperature i.e. temperature controller.
The described heat pipe that adds can be heated to 100 DEG C for the clear water in autoclave, and heating-up temperature can simulate the formation temperature within well depth 3000 meters.
Described high-pressure pump can be forced into 100MPa to the clear water in autoclave.
This utility model is owing to taking above technical scheme, it has the advantage that 1, this utility model can be with simulated field sand-proof pipe local environment temperature, can be connected completely with field condition, surveyed sand-proof pipe collapse resistance data have reacted the collapse resistance situation of on-the-spot screen casing really, select to provide reliable data to guide field screen casing.2, the device in this utility model can with the sand control screen of test different types, and device install be simple and convenient to operate, test speed is fast.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
In figure: the first water injection valve 1, autoclave 2, first Pressure gauge 3, relief valve 4, seal lid 5, valve gap 6, first sealing ring 7, gland 8, second sealing ring 9, centralizer 10, fluid sealant 11, sand-proof pipe filter element 12, first safetied pin 13, pressure transducer 14, temperature sensor 15, add heat pipe 16, temperature controller 17, data acquisition unit 18, computer 19, high pressure line 20, second safetied pin 21, second Pressure gauge 22, high-pressure pump 23, water injecting pump 24, second water injection valve 25, water tank 26, drainage tube 27, connect liquid pool 28, sand-proof pipe 29.
Detailed description of the invention
With embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, this utility model includes that autoclave 2, sand-proof pipe 29, centralizer 10, drainage tube 27, adds heat pipe 16, pressure transducer 14, temperature sensor 15, gland 8, sealing lid 5, valve gap 6, data acquisition unit 18, and connects liquid pool 28, temperature controller 17, computer 19, water tank 26, water injecting pump 24, high-pressure pump 23, relief valve 4.nullWherein，One layer of fluid sealant 11 of sand-proof pipe 29 external application，Sand-proof pipe 29 is outside installs a centralizer 10，Gland 8 will install the second sealing ring 9，Then gland 8 is connected with sand-proof pipe 29 one end，And with the second safetied pin 21, gland 8 is locked with sand-proof pipe 29，Sealing lid 5 will install the first sealing ring 7，Then sealing lid 5 is connected with sand-proof pipe 29 other end，And with the first safetied pin 13, sealing lid 5 is locked with sand-proof pipe 29，Then sand-proof pipe 29 is loaded autoclave 2，It is installed to drainage tube 27 one end seal lid 5，Drainage tube 27 other end is placed in and connects liquid pool 28，High pressure line 30 one end is connected with valve gap 6，The other end is connected with high-pressure pump 23，Water injecting pump 24 is used for injecting in autoclave 2 water in water tank 26，First water injection valve 1 in the injecting process、Second water injection valve 25 is opened，Relief valve 4 is opened in water injecting pump 24 the injecting process，After relief valve 4 starts water outlet，Close relief valve 4 and water injecting pump 24，It is then shut off the first water injection valve 1、Second water injection valve 25，Pressure transducer 14 and temperature sensor 15 are placed in autoclave 2，It is used for measuring the temperature and pressure in autoclave 2，Pressure transducer 14 passes to computer 19 after being arranged by data acquisition unit 18 with the surveyed data of temperature sensor 15，Storage and the surveyed data of display in real time in computer 19，Add heat pipe 16 to be arranged in autoclave 2，Add heat pipe 16 to be connected with temperature controller 17，The temperature data that data acquisition unit 18 is gathered is also passed to temperature controller 17，Temperature controller 17 can set the temperature in autoclave 2，When the temperature data that data acquisition unit 18 is transmitted reaches set temperature，Temperature controller 17 will automatically control and add heat pipe 16 and stop heating，When the temperature in autoclave 2 reduces，Data acquisition unit 18 is passed to by the data measured by temperature sensor 15，After being arranged by data acquisition unit 18, temperature data is passed to temperature controller 17，Temperature controller 17 will automatically control and add heat pipe 16 and reheat，After sand-proof pipe 29 reaches the scheduled time in hot environment，Start high-pressure pump 23，Water in autoclave 2 is pressurizeed，Now sand-proof pipe 29 bears certain pressure，By adjusting high-pressure pump 23 thus change the pressure in autoclave 2，When the first Pressure gauge 3、When the pressure that second Pressure gauge 22 and pressure transducer 14 are gathered has a bust，It is squeezed bad that we are considered as sand-proof pipe 29，Water in autoclave 2 enters drainage tube by the crowded place of ruining of sand-proof pipe 29，And then inflow connects liquid pool，Close high-pressure pump 23，Open relief valve 4 to be released by the pressure in autoclave 2，The pressure data stored by computer 19 can find abrupt pressure reduction point，Pressure before bust point is exactly tested sand-proof pipe 29 collapse resistance in high temperature environments.
In above-described embodiment, temperature controller 17 can set the heating-up temperature of water in autoclave 2, and by the real time temperature in the autoclave 2 that data acquisition unit 18 transmits, can automatically control and add heat pipe, thus ensure that the temperature in autoclave 2 is constant temperature temperature i.e. set by temperature controller 17.
In above-described embodiment, adding heat pipe 16 can be heated to 100 DEG C for the clear water in autoclave 2, and heating-up temperature can simulate the formation temperature within well depth 3000 meters.
In above-described embodiment, high-pressure pump 23 can be forced into 100MPa to the clear water in autoclave 2.
Use process of the present utility model is:
1) first the sand-proof pipe 29 of good seal is put into autoclave 2, sealing lid 5, the valve gap 6 of autoclave 2 left and right sides is tightened, open relief valve 4 and the first water injection valve 1 on autoclave 2 and the second water injection valve 25 at water tank 26, start water injecting pump 24, injected clear water in autoclave 2, when relief valve 4 has clear water to cut out water injecting pump the 24, first water injection valve the 1, second water injection valve 25 and relief valve 4 after flowing out, now observe in drainage tube 27 and flow out with or without clear water, if flowing out without clear water, illustrating that sand-proof pipe 29 seals intact, next step operation can be carried out.
null2) heating process is entered，Open temperature controller 17、Data acquisition unit 18、Computer 19，Temperature controller 17 carries out temperature setting according to test temperature determined by geologic information，Temperature controller 17 will control to add heat pipe 16 and heat the clear water in autoclave 2，Temperature data will be delivered on computer 19 and temperature controller 17 by temperature sensor simultaneously 15 in real time by data acquisition unit 18，Temperature data will real-time storage and display on a computer 19，And be delivered to the temperature data on temperature controller 17 and temperature controller 17 will be instructed to be controlled adding heat pipe 16，So that the temperature of clear water remains at temperature set on temperature controller 17 in autoclave 2，When reaching designed heat time heating time between when heated，Closing temperature controller 17.
3) process is suppressed in entrance, starting high-pressure pump, be adjusted according to the pressure being previously set, during suppressing, the moment notices that the pressure in autoclave changes, pressure transducer 14 to data acquisition unit 18, can be eventually transferred into computer 19 real-time storage and display by transmission pressure data in real time.Pressure in autoclave 2, during suppressing, special messenger to be had observes the change of pressure.Voltage stabilizing a period of time after suppressing a certain force value, if not occurring, sand-proof pipe 29 damages, then continue pressurization, after pressure has bust or drainage tube 27 starts to flow clear water, illustrate that sand-proof pipe 29 is damaged, high-pressure pump 23 to cut out, slowly to open relief valve 4 simultaneously, slowly be laid down by the pressure in autoclave 2.After the first Pressure gauge 3 registration on autoclave 2 reduces to zero and relief valve 4 no longer flows clear water, illustrate that the pressure in autoclave 2 has unloaded.
4) after the discharge degree in autoclave 2 is complete, drainage tube 27 is separated with the sealing lid 5 on the right side of autoclave 2, then open sealing lid 5, sand-proof pipe 29 is removed from autoclave 2, observe the damaged condition of sand-proof pipe 29.
5) last derivation from computer 19 tests pressure data, finds out the point that pressure reduces suddenly, and pressure before lowering is exactly this experiment sand-proof pipe 29 collapse resistance at a temperature of being tested.
Claims (4)
1. evaluate sand-proof pipe collapse resistance experimental provision under hot environment for one kind, it is characterized in that: it includes an autoclave (2), one sand-proof pipe (29), one centralizer (10), one drainage tube (27), one adds heat pipe (16), one pressure transducer (14), one temperature sensor (15), one gland (8), one seals lid (5), one valve gap (6), one data acquisition unit (18), one connects liquid pool (28), one temperature controller (17), one computer (19), one water tank (26), one water injecting pump (24), one high-pressure pump (23), one relief valve (4)；
nullOne layer of fluid sealant (11) of described sand-proof pipe (29) external application，Sand-proof pipe (29) is outside installs a centralizer (10)，Gland (8) will install the second sealing ring (9)，Then gland (8) is connected with sand-proof pipe (29) one end，And with the second safetied pin (21), gland (8) is locked with sand-proof pipe (29)，Sealing lid (5) will install the first sealing ring (7)，Then sealing lid (5) is connected with sand-proof pipe (29) other end，And with the first safetied pin (13), sealing lid (5) is locked with sand-proof pipe (29)，Then sand-proof pipe (29) is loaded autoclave (2)，It is installed to drainage tube (27) one end seal lid (5)，Drainage tube (27) other end is placed in and connects liquid pool (28)，High pressure line (30) one end is connected with valve gap (6)，The other end is connected with high-pressure pump (23)，Water injecting pump (24) is used for injecting in autoclave (2) water in water tank (26)，First water injection valve (1) in the injecting process、Second water injection valve (25) is opened，Relief valve (4) is opened in water injecting pump (24) the injecting process，After relief valve (4) starts water outlet，Close relief valve (4) and water injecting pump (24)，It is then shut off the first water injection valve (1)、Second water injection valve (25)，Pressure transducer (14) and temperature sensor (15) are placed in autoclave (2)，It is used for measuring the temperature and pressure in autoclave (2)，Pressure transducer (14) passes to computer (19) after being arranged by data acquisition unit (18) with temperature sensor (15) surveyed data，Storage and the surveyed data of display in real time in computer (19)，Add heat pipe (16) to be arranged in autoclave (2)，Add heat pipe (16) to be connected with temperature controller (17)，The temperature data that data acquisition unit (18) is gathered is also passed to temperature controller (17)，Temperature controller (17) can set the temperature in autoclave (2)，When the temperature data that data acquisition unit (18) is transmitted reaches set temperature，Temperature controller (17) will automatically control and add heat pipe (16) and stop heating，When the temperature in autoclave (2) reduces，Data acquisition unit (18) is passed to by the data measured by temperature sensor (15)，After being arranged by data acquisition unit (18), temperature data is passed to temperature controller (17)，Temperature controller (17) will automatically control and add heat pipe (16) and reheat，After sand-proof pipe (29) reaches the scheduled time in hot environment，Start high-pressure pump (23)，Water in autoclave (2) is pressurizeed，Now sand-proof pipe (29) bears certain pressure，By adjusting high-pressure pump (23) thus change the pressure in autoclave (2)，When the first Pressure gauge (3)、When the pressure that second Pressure gauge (22) and pressure transducer (14) are gathered has a bust，It is squeezed bad that we are considered as sand-proof pipe (29)，Water in autoclave (2) enters drainage tube by the crowded place of ruining of sand-proof pipe (29)，And then inflow connects liquid pool，Close high-pressure pump (23)，Open relief valve (4) to be released by the pressure in autoclave (2)，The pressure data stored by computer (19) can find abrupt pressure reduction point，Pressure before bust point is exactly tested sand-proof pipe (29) collapse resistance in high temperature environments.
2. sand-proof pipe collapse resistance experimental provision under a kind of evaluation hot environment as claimed in claim 1, it is characterized in that: described temperature controller (17) can set the heating-up temperature of autoclave (2) interior water, and by the real time temperature in the autoclave (2) that data acquisition unit (18) transmits, can automatically control and add heat pipe, thus ensure that the temperature in autoclave (2) is the temperature set by constant temperature i.e. temperature controller (17).
3. sand-proof pipe collapse resistance experimental provision under a kind of evaluation hot environment as claimed in claim 1, it is characterized in that: described in add heat pipe (16) and 100 DEG C can be heated to for the clear water in autoclave (2), heating-up temperature can simulate the formation temperature within well depth 3000 meters.
4. sand-proof pipe collapse resistance experimental provision under a kind of evaluation hot environment as claimed in claim 1, it is characterised in that: described high-pressure pump (23) can be forced into 100MPa to the clear water in autoclave (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163445.6U CN205449698U (en) | 2016-03-04 | 2016-03-04 | Anti outer crowded intensity experimental apparatus of sand control pipe under evaluation high temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620163445.6U CN205449698U (en) | 2016-03-04 | 2016-03-04 | Anti outer crowded intensity experimental apparatus of sand control pipe under evaluation high temperature environment |
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| Publication Number | Publication Date |
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| CN205449698U true CN205449698U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620163445.6U Expired - Fee Related CN205449698U (en) | 2016-03-04 | 2016-03-04 | Anti outer crowded intensity experimental apparatus of sand control pipe under evaluation high temperature environment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020372A (en) * | 2017-11-30 | 2018-05-11 | 中国石油大学(北京) | Measure the system and method for being prefilled with gravel sand control tube voltage drop |
| CN111693085A (en) * | 2020-06-23 | 2020-09-22 | 中国核动力研究设计院 | High-temperature high-pressure sensor performance test device and use method thereof |
| CN112129501A (en) * | 2020-08-28 | 2020-12-25 | 中国石油天然气股份有限公司 | Device and method for predicting service life of sucker rod centralizer |
-
2016
- 2016-03-04 CN CN201620163445.6U patent/CN205449698U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020372A (en) * | 2017-11-30 | 2018-05-11 | 中国石油大学(北京) | Measure the system and method for being prefilled with gravel sand control tube voltage drop |
| CN111693085A (en) * | 2020-06-23 | 2020-09-22 | 中国核动力研究设计院 | High-temperature high-pressure sensor performance test device and use method thereof |
| CN112129501A (en) * | 2020-08-28 | 2020-12-25 | 中国石油天然气股份有限公司 | Device and method for predicting service life of sucker rod centralizer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20170304 |