CN201165871Y - High temperature and high pressure core filtering loss instrument - Google Patents
High temperature and high pressure core filtering loss instrument Download PDFInfo
- Publication number
- CN201165871Y CN201165871Y CNU2007201909820U CN200720190982U CN201165871Y CN 201165871 Y CN201165871 Y CN 201165871Y CN U2007201909820 U CNU2007201909820 U CN U2007201909820U CN 200720190982 U CN200720190982 U CN 200720190982U CN 201165871 Y CN201165871 Y CN 201165871Y
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- core
- hthp
- filtration device
- pressure
- rock core
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Abstract
A high-temperature high-pressure core filter tester comprises a rock core, a liquid reservoir, an advection pump, a measuring cylinder, a temperature control core holder, a confining pressure pump, a confining pressure liquid reservoir and a confining pressure sac. The temperature control core holder is provided with a core holder, a casing, a heating device and a temperature control device. A pair of concave type troughs of the core holder tightly holds the core, the core holder is connected with the casing to form an enclosed space, the rock core horizontally penetrates through the inside of the casing, and the heating device is disposed inside the enclosed space. The temperature control device is connected with the heating device. The confining pressure sac is a liquid-filled sac wrapping the lateral side of the rock core, and together with the core holder wraps the whole rock core hermetically. An outlet of the confining pressure pump is communicated with the confining sac through a pipeline passing through one concave type trough, and an inlet is communicated with the confining pressure liquid reservoir. An inlet of the advection pump is communicated with the liquid reservoir, and an outlet is communicated with the rock core through a pipeline passing through the one concave type trough. The measuring cylinder is communicated with the rock core through a pipeline passing through the other concave type trough. The high-temperature high-pressure core filter tester can stimulate the high-temperature high-pressure environment underground, and can accurately reflect the condition of hydrocarbon zone.
Description
Technical field
The utility model relates to the drilling technology field, particularly a kind of HTHP core filtration device of simulating subsurface environment.
Background technology
In the process of drilling well, the borehole wall is the important evaluation to drilling process to the leak-off of drilling fluid, and the size of filter loss directly influences the caving-preventing characteristic of the borehole wall and the effect of creeping into.
At present, the main employing of oil-gas Layer sensitivity assessment experiment experimentized by core flowing experiment flow process, it mainly partly is made up of constant-flux pump, pressure vessel, rock core fastener, graduated cylinder etc.But it can only be estimated and carry out oil-gas Layer sensitivity assessment experiment under the room temperature condition, can not simulation well under high temperature and high pressure environment, evaluation result can't correctly reflect the oil-gas Layer sensitiveness situation of full-scale condition.
The utility model content
The utility model main purpose is to address the above problem, and a kind of HTHP core filtration device is provided, this HTHP core filtration device can simulation well under high temperature and high pressure environment, accurately reflect the oil-gas Layer sensitiveness situation of full-scale condition.
In order to achieve the above object, the technical scheme that the utility model provides is: a kind of HTHP core filtration device, have core, reservoir, constant-flux pump, graduated cylinder, and also have temperature control rock core fastener, confined pressure pump, confined pressure reservoir and confined pressure capsule; The temperature control rock core fastener has rock core fastener, housing and heater, attemperating unit; Rock core fastener is a pair of matrix cell body, is fixedly connected on the housing, and the inboard of groove is clamped in two outer faces of core; Rock core fastener and housing are connected to form confined space, and the core level runs through the inside of housing, and heater is arranged in the confined space, or are arranged on the inside of housing, or are arranged on the outer wall of housing; Attemperating unit connects heater; But the confined pressure capsule is the capsule of hollow topping up, encases the whole side of core, with rock core fastener airtight encase core; The confined pressure delivery side of pump is communicated with the confined pressure capsule by the matrix cell body that pipeline passes rock core fastener, and its import is communicated with the confined pressure reservoir; The constant-flux pump import is communicated with reservoir, and its outlet is passed a matrix cell body of rock core fastener by pipeline, is communicated with the core in the confined space, and graduated cylinder passes another matrix cell body of rock core fastener by pipeline, is communicated with confined space;
HTHP core filtration device also is provided with intermediate pressure container; Intermediate pressure container is arranged on constant-flux pump and is connected on the pipeline of rock core fastener with it;
HTHP core filtration device also is provided with pressure meter; Pressure meter is arranged on the pipeline of the rock core fastener that intermediate pressure container is connected with it;
HTHP core filtration device also is equipped with cooling unit; Cooling unit is connected on the housing;
HTHP core filtration device also is equipped with secondary reservoir; Secondary reservoir is communicated with the constant-flux pump import;
Be provided with selector switch between constant-flux pump import and reservoir, the secondary reservoir;
Rock core fastener and housing are for being threaded;
Heater is an electric heater unit;
The confined pressure pump is electronic confined pressure pump, or is manual confined pressure pump;
Be provided with the confined pressure pressure meter between confined pressure pump and the confined pressure capsule.
The operating principle and the beneficial effect of the utility model HTHP core filtration device:, be heated to the downhole temperature of simulation by attemperating unit control heater because HTHP core filtration device is provided with heater; The side that the confined pressure capsule encases whole core is set, drilling fluid is not seen through from the side, simultaneously, have the confined pressure pump to apply certain pressure, pass to core, the oil-gas Layer sensitiveness situation of so accurate reflection full-scale condition with the pressure under the simulation well to the confined pressure capsule.
In addition, intermediate pressure container being set makes the pressure of constant-flux pump output steady; Increase secondary reservoir and add switch, make things convenient for the use of instrument, can carry out the liquid sample of a plurality of drilling fluids and measure.
Description of drawings:
Fig. 1: the utility model HTHP core filtration device structural representation, wherein the temperature control rock core fastener is a cut-away view;
Fig. 2: the utility model HTHP core filtration device is provided with intermediate pressure container and manometric structural representation;
Fig. 3: the utility model HTHP core filtration device is provided with cooling unit and the manometric structural representation of confined pressure;
Fig. 4: the structural representation that is provided with selector switch between constant-flux pump import that the utility model HTHP core filtration device is provided with and reservoir, the secondary reservoir.
The specific embodiment:
Embodiment 1:
As shown in Figure 1: a kind of HTHP core filtration device, have core 1, reservoir 2, constant-flux pump 3, graduated cylinder 4, also have temperature control rock core fastener 5, confined pressure pump 11, confined pressure reservoir 12 and confined pressure capsule 10; Temperature control rock core fastener 5 has rock core fastener 6, housing 7 and heater 8, attemperating unit 9; Rock core fastener 6 is a pair of matrix cell body, and screw thread is fixedly connected on the housing 7, and the inboard of groove is clamped in two outer faces of core 1; Rock core fastener 6 is connected to form confined space with housing 7, and core 1 level runs through the inside of housing 7, and heater 8 is arranged on the inside of housing; Attemperating unit 9 connects heater 8; But confined pressure capsule 10 is the capsule of topping up, encases the whole side of core 1, with rock core fastener 6 airtight encase core 1; The outlet of confined pressure pump 11 is passed 6 one matrix cell bodies of rock core fastener by pipeline, is communicated with confined pressure capsule 10, and import is communicated with confined pressure reservoir 12; Constant-flux pump 3 imports are communicated with reservoir 2, and outlet is passed 6 one matrix cell bodies of rock core fastener by pipeline, are communicated with the core 1 in the confined space, and graduated cylinder 4 passes rock core fastener 6 another matrix cell bodies by pipeline, are communicated with confined space.
Wherein, 8 electric heater units of heater; The pressure limit of constant-flux pump 3 is 3.5-20MPa; Confined pressure pump 11 is a manual pump, pressure limit 0-20MPa; The temperature control of temperature device 9 is the highest 150 ℃; 25 * 60 centimetres of 1 standard specification: φ of core; Heater 8 also can be arranged in the confined space, or is arranged on the outer wall of housing 7 (among the figure not picture place).
This HTHP core filtration device is packed core 1 in the high temperature rock core fastener 5, and being heated to needs temperature, and the drilling fluid for preparing is added in the reservoir 12, and constant-flux pump 3 pressurizations are opened in 12 pressurizations (oil) of confined pressure pump, read the filter loss experiment in the graduated cylinder 4.If there is not filter loss, treat HTHP rock core fastener cooling after, take off core, measure the degree of depth that filtrate enters core.
Because this HTHP core filtration device is provided with heater, be heated to the downhole temperature of simulation by attemperating unit control heater; The side that the confined pressure capsule encases whole core is set, drilling fluid is not seen through from the side, simultaneously, have the confined pressure pump to apply certain pressure, pass to core, accurately reflect the oil-gas Layer sensitiveness situation of full-scale condition with the pressure under the simulation well to the confined pressure capsule.
Embodiment 2:
As shown in Figure 2: overall identical with embodiment 1, difference is: HTHP core filtration device also is provided with intermediate pressure container 13; Intermediate pressure container 13 is arranged on constant-flux pump 3 and is connected on the pipeline of rock core fastener 6 with it; HTHP core filtration device also is provided with pressure meter 14; Pressure meter 14 is arranged on the pipeline of the rock core fastener 6 that intermediate pressure container 13 is connected with it; Confined pressure pump 11 is an electrodynamic pump.
This HTHP core filtration device is packed core 1 in the high temperature rock core fastener 5, and being heated to needs temperature, and the drilling fluid for preparing is added in the reservoir 12, and constant-flux pump 3 pressurizations are opened in 12 pressurizations (oil) of confined pressure pump, read the filter loss experiment in the graduated cylinder 4.If there is not filter loss, treat HTHP rock core fastener cooling after, take off core, measure the degree of depth that filtrate enters core.
Because this HTHP core filtration device is provided with heater, be heated to the downhole temperature of simulation by attemperating unit control heater; The side that the confined pressure capsule encases whole core is set, drilling fluid is not seen through from the side, simultaneously, have the confined pressure pump to apply certain pressure, pass to core, accurately reflect the oil-gas Layer sensitiveness situation of full-scale condition with the pressure under the simulation well to the confined pressure capsule; Owing to be provided with intermediate pressure container, make the pressure of output of constant-flux pump steady, increase pressure meter, pressure vessel is better controlled.
Embodiment 3:
Shown in Fig. 3,4: overall identical with embodiment 2, difference is: HTHP core filtration device also is equipped with cooling unit 15; Cooling unit 15 is connected on the housing 7; Also be equipped with secondary reservoir 16; Secondary reservoir 16 is communicated with constant-flux pump 3 imports; Be provided with selector switch 17 between constant-flux pump 3 imports and reservoir 2, the secondary reservoir 16; Be provided with confined pressure pressure meter 18 between confined pressure pump 11 and the confined pressure capsule; Confined pressure pump 11 is a manual pump.
This HTHP core filtration device is packed core 1 in the high temperature rock core fastener 5, and being heated to needs temperature, and the drilling fluid for preparing is added in the reservoir 12, and constant-flux pump 3 pressurizations are opened in 12 pressurizations (oil) of confined pressure pump, read the filter loss experiment in the graduated cylinder 4.If there is not filter loss, treat HTHP rock core fastener cooling after, take off core, measure the degree of depth that filtrate enters core.
Because this HTHP core filtration device is provided with heater, be heated to the downhole temperature of simulation by attemperating unit control heater; The side that the confined pressure capsule encases whole core is set, drilling fluid is not seen through from the side, simultaneously, have the confined pressure pump to apply certain pressure, pass to core, accurately reflect the oil-gas Layer sensitiveness situation of full-scale condition with the pressure under the simulation well to the confined pressure capsule; Owing to be provided with intermediate pressure container, make the pressure of output of constant-flux pump steady, increase pressure meter, pressure vessel is better controlled; Owing to be provided with the confined pressure pressure meter, the confined pressure pressure vessel better controlled; Because cooling unit and secondary reservoir, the time that liquid is measured is changed in the speed that can accelerate to cool off and minimizing, helps continuous measurement.
In sum, the utility model provides provide a kind of HTHP core filtration device can simulation well under high temperature and high pressure environment, accurately reflect the oil-gas Layer sensitiveness situation of full-scale condition, and make functional diversities, easy to use.
Though the utility model utilizes the foregoing description to carry out at length setting forth; but be not to limit the utility model, any those skilled in the art should do various changes and modification; in not breaking away from spirit and scope of the present utility model, should be considered as protection domain of the present utility model.
Claims (10)
1, a kind of HTHP core filtration device has core, reservoir, constant-flux pump, graduated cylinder, it is characterized in that: this HTHP core filtration device also has temperature control rock core fastener, confined pressure pump, confined pressure reservoir and confined pressure capsule; Described temperature control rock core fastener has rock core fastener, housing and heater, attemperating unit; Described rock core fastener is a pair of matrix cell body, is fixedly connected on the housing, and the inboard of groove is clamped in two outer faces of core; Described rock core fastener and described housing are connected to form confined space, and described core level runs through the inside of described housing, and described heater is arranged in the described confined space, or are arranged on the inside of housing, or are arranged on the outer wall of housing; Described attemperating unit connects described heater; But described confined pressure capsule is the capsule of hollow topping up, encases the whole side of core, with described rock core fastener airtight encase core; Described confined pressure delivery side of pump is communicated with described confined pressure capsule by the matrix cell body that pipeline passes rock core fastener, and its import is communicated with the confined pressure reservoir; Described constant-flux pump import is communicated with described reservoir, a matrix cell body of rock core fastener is passed in its outlet by pipeline, be communicated with the core in the described confined space, described graduated cylinder passes another matrix cell body of rock core fastener by pipeline, is communicated with described confined space.
2, HTHP core filtration device according to claim 1 is characterized in that: described HTHP core filtration device also is provided with intermediate pressure container; Described intermediate pressure container is arranged on described constant-flux pump and is connected on the pipeline of rock core fastener with it.
3, HTHP core filtration device according to claim 2 is characterized in that: described HTHP core filtration device also is provided with pressure meter; Described pressure meter is arranged on the pipeline of the rock core fastener that described intermediate pressure container is connected with it.
4, HTHP core filtration device according to claim 1 is characterized in that: described HTHP core filtration device also is equipped with cooling unit; Described cooling unit is connected on the described housing.
5, HTHP core filtration device according to claim 1 is characterized in that: described HTHP core filtration device also is equipped with secondary reservoir; Described secondary reservoir is communicated with described constant-flux pump import.
6, HTHP core filtration device according to claim 5 is characterized in that: be provided with selector switch between described constant-flux pump import and reservoir, the secondary reservoir.
7, HTHP core filtration device according to claim 1 is characterized in that: described rock core fastener and described housing are for being threaded.
8, HTHP core filtration device according to claim 1, it is characterized in that: described heater is an electric heater unit.
9, HTHP core filtration device according to claim 1, it is characterized in that: described confined pressure pump is electronic confined pressure pump, or is manual confined pressure pump.
10, HTHP core filtration device according to claim 1 is characterized in that: be provided with the confined pressure pressure meter between described confined pressure pump and the confined pressure capsule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201909820U CN201165871Y (en) | 2007-12-28 | 2007-12-28 | High temperature and high pressure core filtering loss instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201909820U CN201165871Y (en) | 2007-12-28 | 2007-12-28 | High temperature and high pressure core filtering loss instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201165871Y true CN201165871Y (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201909820U Expired - Fee Related CN201165871Y (en) | 2007-12-28 | 2007-12-28 | High temperature and high pressure core filtering loss instrument |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175726A (en) * | 2011-01-26 | 2011-09-07 | 西南石油大学 | Device and method for monitoring fluid flow in rock sample at high temperature and high pressure |
| CN102879546A (en) * | 2012-09-25 | 2013-01-16 | 成都理工大学 | Method for testing acidic rock reaction dynamic parameters for simulating flat-plate flow |
| CN103485762A (en) * | 2012-06-08 | 2014-01-01 | 中国石油化工股份有限公司 | Visual simulation shale micro-crack plugging capacity test system and method |
| CN103510944A (en) * | 2012-06-28 | 2014-01-15 | 中国石油化工股份有限公司 | High-temperature and high-pressure plugging / sticking preventing simulation evaluation device and method |
| CN104502552A (en) * | 2015-01-22 | 2015-04-08 | 中国石油大学(华东) | High-temperature and high-pressure foam static filter tester and application thereof |
| CN110018087A (en) * | 2019-04-29 | 2019-07-16 | 中国石油大学(北京) | A kind of device for simulating fracturing fluid two dimension leak-off |
| CN112394018A (en) * | 2020-10-16 | 2021-02-23 | 中国石油大学(北京) | Measuring instrument and method for filtering loss |
-
2007
- 2007-12-28 CN CNU2007201909820U patent/CN201165871Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175726A (en) * | 2011-01-26 | 2011-09-07 | 西南石油大学 | Device and method for monitoring fluid flow in rock sample at high temperature and high pressure |
| CN103485762A (en) * | 2012-06-08 | 2014-01-01 | 中国石油化工股份有限公司 | Visual simulation shale micro-crack plugging capacity test system and method |
| CN103510944A (en) * | 2012-06-28 | 2014-01-15 | 中国石油化工股份有限公司 | High-temperature and high-pressure plugging / sticking preventing simulation evaluation device and method |
| CN103510944B (en) * | 2012-06-28 | 2017-03-29 | 中国石油化工股份有限公司 | A kind of High Temperature High Pressure closure/prevent telling simulating-estimating device and its evaluation methodology |
| CN102879546A (en) * | 2012-09-25 | 2013-01-16 | 成都理工大学 | Method for testing acidic rock reaction dynamic parameters for simulating flat-plate flow |
| CN102879546B (en) * | 2012-09-25 | 2014-08-06 | 成都理工大学 | Method for testing acidic rock reaction dynamic parameters for simulating flat-plate flow |
| CN104502552A (en) * | 2015-01-22 | 2015-04-08 | 中国石油大学(华东) | High-temperature and high-pressure foam static filter tester and application thereof |
| CN104502552B (en) * | 2015-01-22 | 2016-04-06 | 中国石油大学(华东) | A kind of High Temperature High Pressure foam static filtration instrument and application thereof |
| CN110018087A (en) * | 2019-04-29 | 2019-07-16 | 中国石油大学(北京) | A kind of device for simulating fracturing fluid two dimension leak-off |
| CN112394018A (en) * | 2020-10-16 | 2021-02-23 | 中国石油大学(北京) | Measuring instrument and method for filtering loss |
| CN112394018B (en) * | 2020-10-16 | 2022-04-12 | 中国石油大学(北京) | Measuring instrument and method for filtering loss |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20100128 |