CN205483824U - Mix rock core test cabinet and mud stone breakthrough pressure testing arrangement - Google Patents
Mix rock core test cabinet and mud stone breakthrough pressure testing arrangement Download PDFInfo
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- CN205483824U CN205483824U CN201620030604.5U CN201620030604U CN205483824U CN 205483824 U CN205483824 U CN 205483824U CN 201620030604 U CN201620030604 U CN 201620030604U CN 205483824 U CN205483824 U CN 205483824U
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Abstract
The utility model discloses a mix rock core test cabinet and mud stone breakthrough pressure testing arrangement, the inner chamber of this rock core test cabinet sets up two mud stone layers, presss from both sides between two sandstone layers and establishes the sandstone layer, and the lower extreme is equipped with the headspace on upper and lower mud stone layer and the rock core room. Be equipped with on the rock core test cabinet to the water filling port of headspace water injection, to the water injection gas injection mouth of sandstone layer water injection gas injection, and the outlet. The water pipe for the water filling port of mixed rock core test cabinet and basin intercommunication, the water injection gas injection is the parallelly connected basin of pipeline and gas cylinder, outlet water pipe connector income wastewater disposal basin for the mouth, and it has switching valve and manometer all to establish ties on each pipeline, the booster pump is still connected to the basin, insert multiunit probe group on the sandstone layer, pressure that probe group detected and resistivity are spreaded into the PC end into and are carried out the analysis to constitute mud stone breakthrough pressure testing arrangement. The device has compensatied the actual formation condition's of the unable simulation of traditional breakthrough pressure test defect to situation of change through probe group test moisture content makes the test more accurate.
Description
Technical field
This utility model relates to a kind of mixing rock core test cabinet, and comprises the mud stone breakthrough pressure test device of this mixing rock core test cabinet, it is adaptable to reservoir engineer does rock heterogeneous fluid breakthrough pressure test experiments.
Background technology
Separated by shale layer between multilamellar sandstone reservoirs gas-bearing formation and water layer, when gas-bearing formation produces, pressure in gas-bearing formation constantly reduces, and the pressure of water layer keeps constant, pressure reduction will be formed between gas-bearing formation and water layer, when pressure reduction is once reach the breakthrough pressure of mudstone barriers, gas-bearing formation will occur stratum water channeling, water enters and reduces gas well deliverability in gas-bearing formation, affects gas well and normally produces.Existing mud stone breakthrough pressure method of testing is static test, the principle of test is to be placed in core holding unit by mud stone rock core, arrival end at clamper injects water, the pressure corresponding when rock core port of export water breakthrough is breakthrough pressure, and according to Darcy formula, the thickness of mud stone and the proportional relation of pressure reduction can calculate the breakthrough pressure of stratum any mud stone thickness.Existing method defect is: do not account for oil gas flowing in (1) test process, and the type of flow differs bigger with reality；(2) being difficult to observe during port of export water outlet, water breakthrough has delayed relative to breakthrough；(3) capillary end effect is not considered.
Utility model content
In order to solve the deficiencies in the prior art, this utility model provides one mixing rock core test cabinet, and comprise the mud stone breakthrough pressure test device of this mixing rock core test cabinet, this mixing rock core test cabinet includes cavity and lid, cavity is built with sand layers and two kinds of dissimilar rock cores of shale layer, sandwiched sand layers between two-layer shale layer, shale layer and test cabinet are provided with headspace geologic structure of reservoir cap rock in water filling, more real compound stratum between the upper and lower ends.This mud stone breakthrough pressure test device, mixing rock core test cabinet by pipeline connection water channel, gas cylinder, controlled valve all it is in series with on each bar pipeline, Pressure gauge, it is provided with its resistivity of multiple detection and the probe groups of pressure in sand layers in mixing rock core test cabinet, the data of probe groups detection are transferred to PC end and record and analyze, this mud stone breakthrough pressure is used to test device to test, it is resistant to enough simulation actual formation conditions more really, and make test more accurate by the situation of change of probe groups measuring of moisture content, while considering fluid flowing, the breakthrough pressure of shale layer is tested.
This utility model is achieved through the following technical solutions:
A kind of mixing rock core test cabinet, including the cavity of one end open, the opening of cavity is detachably provided for sealing the lid of cavity；Being provided with sand layers in the middle part of described cavity in the horizontal direction, the upper and lower surface of this sand layers is arranged with shale layer, leaves headspace between the end that each described shale layer is adjacent with described cavity；The cavity wall of described cavity is provided with the water filling port connected with described headspace, forms water layer by water filling port to described headspace water filling；
In the cavity wall of described cavity, also symmetry offers water filling gas injection port and discharge outlet, and water filling gas injection port all connects with sand layers with discharge outlet；Described water filling gas injection port for making that sand layers is saturated to described sand layers water filling, sand layers saturated after make the saturation water in sand layers from described discharge outlet flows out cavity to described sand layers gas injection again；
Described lid is provided with multiple resigning hole, and this resigning hole is for allowing the resistivity of sand layers described in bit test and the probe groups of pressure.
Further, the resigning hole on described lid has four.
A kind of mud stone breakthrough pressure test device comprising mixing rock core test cabinet, including mixing rock core test cabinet, water filling gas injection port on this mixing rock core test cabinet is connected with tank by pipeline, and connection water filling gas injection port is in series with second switch valve with the pipeline of tank near tank end, is in series with the first Pressure gauge near water filling gas injection port end；First Pressure gauge place pipeline is also parallel with the gas cylinder equipped with noble gas；The 4th Pressure gauge, the first controlled valve, exsiccator have been sequentially connected in series it along gas injection direction on pipeline between first Pressure gauge and gas cylinder；
Water filling port on this mixing rock core test cabinet is connected with tank by water pipe respectively；It is in series with the second Pressure gauge, the 3rd Pressure gauge respectively near water filling port end, is in series with the 3rd controlled valve, the 4th controlled valve respectively near tank end on the water pipe that each water filling port connects with tank；
Discharge outlet on this mixing rock core test cabinet is connected with wastewater disposal basin by water pipe, and the water pipe between discharge outlet and wastewater disposal basin has been sequentially connected in series the 5th controlled valve, the 5th Pressure gauge along drainage direction；
Multiple measurement sand layers different time resistivity and the probe groups of pressure it is mounted with in sand layers in this mixing rock core test cabinet, each probe groups resigning hole from mixing rock core test cabinet lid inserts the middle part of described sand layers from the top down, and other position insulation processing can be measured in each probe groups only needle point end；The data of described probe groups monitoring are transferred to PC end, and this PC end utilizes programming Archie formula that the data that probe groups monitor are converted to the water saturation of sand layers, analysis water saturation, displacement pressure reduction, relation between interlayer pressure difference and water yield；When shale layer is broken through, the resistivity of probe groups monitoring can decline rapidly, and sand layers water saturation increases sharply simultaneously, and the interlayer pressure difference now recorded is the breakthrough pressure of shale layer.
Further, in order to monitor the water yield in tank in real time to supplement in time and meeting the demand repeatedly tested, being additionally provided with water-level gauge in described tank, tank is also connected with a booster pump, and booster pump is for adding confined pressure to core chamber.
Further, in order to make the gas in gas cylinder will not be with physical-chemical reactions such as sandstone, mud stone generation absorption, so that it is guaranteed that the accuracy of test result, the gas in described gas cylinder be nitrogen.
Further, described each probe groups comprises the probe measuring sand layers pressure and the probe simultaneously measuring sand layers resistivity.
The beneficial effects of the utility model:
In mixing rock core test cabinet of the present utility model, sand layers being folded between two shale layers, two shale layers and test cabinet upper and lower end face are provided with headspace and form water layer for water filling simultaneously.The sandstone breakthrough pressure test device comprising this mixing rock core test cabinet can more real simulated formation fluid flow effect in test process, solve the problem that cannot simulate hydrodynamic flow effect when doing the test of rock breakthrough pressure at present, realize kinetic measurement, make the breakthrough pressure recorded more accurately true, bigger to the directive function of actual production.And utensil that this apparatus structure more simply uses is the most relatively inexpensive, other rock core breakthrough pressure test experiments costs relatively are lower.
Accompanying drawing explanation
Fig. 1 is the top view of the cavity mixing rock core test cabinet in embodiment；
Fig. 2 is the top view of the lid mixing rock core test cabinet in embodiment；
Fig. 3 is the sectional structure schematic diagram of the inside cavity mixing rock core test cabinet in embodiment；
Fig. 4 is the schematic diagram of mud stone breakthrough pressure test device in embodiment；
Fig. 5 is the curve of the resistance value of the different time that four probe groups record in test process in embodiment；
Fig. 6 is the differential pressure curve obtained in embodiment；
Fig. 7 is the curve that experimental result carries out that binomial recurrence obtains.
Reference
1-cavity；11-shale layer；12-sand layers；13-headspace；14-water filling port；15-water filling gas injection port；6-discharge outlet；2-lid；201-resigning hole；20-mixing rock core test cabinet；21-tank；22-second switch valve；23-the first Pressure gauge；24-gas cylinder；25-exsiccator；26-the first controlled valve；27-the 4th Pressure gauge；28-the second Pressure gauge；29-the 3rd Pressure gauge；30-the 3rd controlled valve；31-the 4th controlled valve；32-wastewater disposal basin；33-the 5th controlled valve；34-the 5th Pressure gauge；35-probe groups；36-PC end；37-water-level gauge；38-booster pump.
Detailed description of the invention
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 3 and shown as shown in Figure 1, Figure 2, a kind of mixing rock core test cabinet, be generally cylindrical, cuboid or other shapes, cavity 1 including one end open, the opening of cavity is detachably provided for sealing the lid 2 of cavity 1, in the present embodiment, cavity 1 and lid 2 form the mixing rock core test cabinet of cylinder, are connected by alignment pin and nut.Being provided with sand layers 11 in the horizontal direction in the middle part of described cavity 1, the upper and lower surface of this sand layers 11 is arranged with shale layer 12, leaves headspace 13 between the end that each described shale layer 12 is adjacent with described cavity 1.The cavity wall of described cavity 1 is provided with the water filling port 14 connected with described headspace 13, forms water layer by water filling port 14 to described headspace 13 water filling.
In the cavity wall of described cavity 1, also symmetry offers water filling gas injection port 15 and discharge outlet 16, and water filling gas injection port 15 all connects with sand layers 11 with discharge outlet 16；Described water filling gas injection port 15 for making that sand layers 11 is saturated to the water filling of described sand layers 11, sand layers 11 saturated after make the saturation water in sand layers 11 flow out cavity 1 from described discharge outlet 16 to the gas injection of described sand layers 11 again.In the present embodiment, two water filling ports 14, water gas injection port 15 and discharge outlet 16 are axially distributed on the cavity wall of cavity 1.
Described lid 2 is provided with multiple resigning hole 201, and in the present embodiment, resigning hole is provided with four, and this resigning hole 201 is for allowing the resistivity of sand layers 11 described in bit test and the probe groups of pressure.This mixing rock core test cabinet comprises sand layers and the rock core of two kinds of different lithology of shale layer, sand layers is located between shale layer and on shale layer, filled water forms water layer, the geologic structure of reservoir cap rock in more real analog composite stratum.
As shown in Figure 4, a kind of mud stone breakthrough pressure test device comprising mixing rock core test cabinet, including mixing rock core test cabinet 20, water filling gas injection port 15 on this mixing rock core test cabinet is connected with tank 21 by pipeline, and connection water filling gas injection port 15 is in series with second switch valve 22 with the pipeline of tank 21 near tank 21 end, is in series with the first Pressure gauge 23 near water filling gas injection port 15 end.First Pressure gauge 23 place pipeline is also parallel with the gas cylinder 24 equipped with noble gas, is nitrogen in the present embodiment in gas cylinder 24, because nitrogen will not be with physical-chemical reactions such as sandstone, mud stone generation absorption, so that it is guaranteed that the accuracy of test result.Pipeline between first Pressure gauge 23 and gas cylinder 24 is sequentially connected in series the 4th Pressure gauge the 27, first controlled valve 26, the exsiccator 25 of drying nitrogen along gas injection direction.Being additionally provided with water-level gauge 37 in described tank 21, be conducive to the water yield in observation tank 21 to add water in time and meet the water demand repeatedly tested, tank 21 is also connected with one for adding the booster pump 38 of confined pressure to described mixing rock core test cabinet 20.
Water filling port 14 on this mixing rock core test cabinet is connected with tank 21 by water pipe respectively.It is in series with the second Pressure gauge the 28, the 3rd Pressure gauge 29 respectively near water filling port 14 end on the water pipe that each water filling port 14 connects with tank 21 to inject the pressure of the water layer that water is formed for monitoring shale layer 12 side, be in series with the 3rd controlled valve the 30, the 4th controlled valve 31 respectively near tank 21 end, wherein the second Pressure gauge 28 is arranged on the 3rd controlled valve 30 on the water pipe connected with the water filling port 14 mixing rock core test cabinet top, and the 3rd Pressure gauge the 29, the 4th controlled valve 31 is then arranged on the water pipe connected with the water filling port 14 mixing rock core test cabinet bottom.
Discharge outlet 16 on this mixing rock core test cabinet is connected with wastewater disposal basin 32 by water pipe, and on the water pipe between discharge outlet 16 and wastewater disposal basin 32, the direction along cistern 32 has been sequentially connected in series the 5th controlled valve the 33, the 5th Pressure gauge 34.
It is mounted with in sand layers 11 in this mixing rock core test cabinet that four are measured sand layers 11 different time resistivity and the probe groups 35 of pressure, four probe groups 35 are numbered from left to right and are followed successively by 1,2,3,4, each probe groups 35 comprises the probe measuring sand layers 11 pressure and the probe simultaneously measuring sand layers 11 resistivity, each probe groups 35 resigning hole 201 from mixing rock core test cabinet lid inserts the middle part of described sand layers 11 from the top down, and other position insulation processing can be measured in each probe groups 35 only needle point end.The data of described probe groups 35 monitoring are transferred to PC end 36, and this PC end 36 utilizes programming Archie formula the data that probe groups 35 is monitored to be converted to the water saturation of sand layers 11, analyzes water saturation, displacement pressure reduction, relation between interlayer pressure difference and water yield.When shale layer 12 is broken through, the resistivity of probe groups 35 monitoring can decline rapidly, and sand layers 11 water saturation increases sharply simultaneously, and two shale layers 12 now recorded and the interlayer pressure difference of sand layers 11 are the breakthrough pressure of shale layer 12.
Those skilled in the art are readily apparent that second Pressure gauge the 28, the 3rd Pressure gauge 29 of aquifer pressure of monitoring shale layer 12 side can also replace with the force value of probe monitoring and directly input PC end 36.
Using the above-mentioned mud stone breakthrough pressure test device comprising mixing rock core test cabinet to test, laboratory operating procedures is as follows:
1, stratum simulated environment is formed: only open second switch valve 22 and booster pump 38, water in tank 21 is injected in sand layers 11 region, when the first Pressure gauge 23 numerical value reaches stable, represent that sand layers 11 is aqueous the most saturated, close power supply and the second switch valve 22 of booster pump 38 the most immediately.After spending a few minutes, open the 3rd controlled valve the 30, the 4th controlled valve 31 and open booster pump 38, in the headspace 13 water in tank 21 being injected into two shale layers 12 and mix between the upper and lower both ends of the surface of rock core test cabinet, form upper and lower water layer, draw up in stratum the pressure condition between reservoir and cap rock by the differential mode of the size of the second Pressure gauge the 28, the 3rd Pressure gauge 29 and the numerical values recited of the first Pressure gauge 23.
2, gas injection expelling water: close the 3rd controlled valve the 30, the 4th controlled valve 31, open the nitrogen in first controlled valve the 26, the 5th 33 gas cylinders 24 of controlled valve to be injected in the sand layers 11 in mixing rock core test cabinet 20, with the energy mix pressure differential formed in rock core test cabinet and being provided, nitrogen is gone out saturation water inside sand layers 11 from mixing rock core test cabinet right-hand member displacement according to atmospheric pressure.
3, data record and analysis: after the saturation water in nitrogen flooding replaces out sand layers 11, utilize the booster pump 38 slowly pressurization of the water layer in upper and lower two headspaces 13, and record pressure and pressure reduction change size (pressure reduction of sand layers 11 pressure average measured by the force value of the i.e. second Pressure gauge 28 or the 3rd Pressure gauge 29 and four groups of probe groups 35) in sand layers 11 of upper and lower two water layers, by resistivity R1 of the different time that four probe groups records go out, R2, R3, R4 and corresponding pressure P1, P2, P3, P4 data are transferred to PC end 36, and utilize programming Archie formula that data are converted to water saturation, analyze water saturation, displacement pressure reduction, relation between interlayer pressure difference and water yield.When water breakthrough shale layer 12, in sand layers 11, resistivity can decline rapidly, the water saturation of sand layers 11 increases sharply, and now the pressure reduction of sand layers 11 pressure average measured by the second Pressure gauge 28 or the pressure measured by the 3rd Pressure gauge 29 and four groups of probe groups 35 is breakthrough pressure.
For guaranteeing that test result is accurate, the corner of mixing rock core test cabinet 20 inner chamber in above-mentioned experiment uses with rocks particulate filling, assembles probe groups, pipeline, Pressure gauge etc. simultaneously and uses silicone rubber seal.
Experimental record process:
(1) April 5, zero point proceeded by gas drive, and owing to the water in sand layers 11 is constantly displaced, in total trend, its water saturation constantly declines, and the resistivity that four probe groups record is gradually increasing.
(2) April 0 o'clock to 16 o'clock on the 5th, the pressure of sand layers 11 is relatively big with resistivity fluctuation, unstable, now should not measure water breakthrough breakthrough pressure.
(3) April 5 16 is the least to point in 6 days 2 April, the pressure of this stage sand layers 11 and resistivity fluctuation, and owing to continuing gas injection, the resistivity value of four test points continues to increase, but amplification is less.
(4) start April 62 to form upper and lower two water layers with booster pump 38 to upper and lower two insulating space 13 water fillings, injection pressure is 0.24MPa with the initial pressure difference of sand layers 11, (pressure reduction of sand layers 11 pressure average measured by the force value of the i.e. second Pressure gauge 28 or the 3rd Pressure gauge 29 and four groups of probe groups 35) 10 points, resistance value has a time period increased, show that the water of shale layer 12, not completely into sand layers 11, therefore is not tested this and pressed force value.
(5) point in 6 days 10 April, injection pressure reduction is increased to 0.43MPa, 12 points, sand layers 11 resistance begins to decline, water in shale layer 12 is completely into sand layers 11, channelling phenomenon in genetic horizon, now records the breakthrough pressure that pressure reduction just needs to record for this experimental program, and this value size is 0.43MPa.
Interpretation
As shown in Figure 5 and Figure 6, data during experimental record are depicted as curve, due to four groups of probes 35, in the position of sand layers 11, the most measured pressure of sand layers 11 of different four groups of probes 35 has fine difference with the pressure reduction of aquifer pressure, and the resistivity of four groups of the most measured sand layers 11 of probe 35 is the most variant, simulates earth formation more really.This experiment rock sample is taken from Sebei Gas Field, the shale layer thickness of this rock sample is 20cm, shale content is 52%, same method is used to test the breakthrough pressure of other two pieces of shale layer samples, shale content be the corresponding breakthrough pressure of 63% be 0.76MPa, shale content be the corresponding breakthrough pressure of 81% be 1.23MPa.Breakthrough pressure increases with the increase of shale content.The mudstone barriers shale content of Sebei Gas Field is 50～70%, and according to the result of this experiment, the packing pressure reduction to interlayer is 0.36～0.95MPa.
Finding that shale content is directly proportional to breakthrough pressure by experimental result carries out binomial regression analysis, analysis result is as shown in Figure 7.Predict under different shale content by the method, rock breakthrough pressure corresponding in different compartment thickness conditions, concrete data are as shown in table 1:
Table 1 breakthrough pressure prediction data (MPa)
In sum, can more real simulated formation physical condition during utilizing mud stone breakthrough pressure of the present utility model test device to test, test mud stone breakthrough pressure while particularly can considering fluid flowing, and make test more accurate by the situation of change of the moisture content of probe groups test sand layers.
Claims (6)
1. a mixing rock core test cabinet, it is characterised in that: including the cavity (1) of one end open, the opening of cavity is detachably provided for sealing the lid (2) of cavity (1)；Described cavity (1) middle part is provided with sand layers (11) in the horizontal direction, the upper and lower surface of this sand layers (11) is arranged with shale layer (12), leaves headspace (13) between the end that each described shale layer (12) is adjacent with described cavity (1)；The cavity wall of described cavity (1) is provided with the water filling port (14) connected with described headspace (13), forms water layer by water filling port (14) to described headspace (13) water filling；
In the cavity wall of described cavity (1), also symmetry offers water filling gas injection port (15) and discharge outlet (16), and water filling gas injection port (15) all connects with sand layers (11) with discharge outlet (16)；Described water filling gas injection port (15) for making that sand layers (11) is saturated to described sand layers (11) water filling, sand layers (11) saturated after make the saturation water in sand layers (11) from described discharge outlet (16) flows out cavity (1) to described sand layers (11) gas injection again；
Described lid (2) is provided with multiple resigning hole (201), and this resigning hole (201) is used for allowing the resistivity of sand layers described in bit test (11) and the probe groups of pressure.
Mixing rock core test cabinet the most according to claim 1, it is characterised in that: the resigning hole (201) on described lid has four.
3. the mud stone breakthrough pressure test device of the mixing rock core test cabinet that a kind comprises described in claim 1 or 2, it is characterized in that: include mixing rock core test cabinet (20), water filling gas injection port (15) on this mixing rock core test cabinet is connected with tank (21) by pipeline, and connection water filling gas injection port (15) is in series with second switch valve (22) with the pipeline of tank (21) near tank (21) end, is in series with the first Pressure gauge (23) near water filling gas injection port (15) end；First Pressure gauge (23) place pipeline is also parallel with the gas cylinder (24) equipped with noble gas；The 4th Pressure gauge (27), the first controlled valve (26), exsiccator (25) it have been sequentially connected in series along gas injection direction on pipeline between first Pressure gauge (23) and gas cylinder (24)；
Water filling port (14) on this mixing rock core test cabinet is connected with tank (21) by water pipe respectively；It is in series with the second Pressure gauge (28), the 3rd Pressure gauge (29) respectively near water filling port (14) end, is in series with the 3rd controlled valve (30), the 4th controlled valve (31) respectively near tank (21) end on the water pipe that each water filling port (14) connects with tank (21)；
Discharge outlet (16) on this mixing rock core test cabinet is connected with wastewater disposal basin (32) by water pipe, and the water pipe between discharge outlet (16) and wastewater disposal basin (32) has been sequentially connected in series the 5th controlled valve (33), the 5th Pressure gauge (34) along drainage direction；
The probe groups (35) of multiple measurement sand layers (11) different time resistivity and pressure it is mounted with in sand layers (11) in this mixing rock core test cabinet, the each probe groups (35) resigning hole (201) from mixing rock core test cabinet lid inserts the middle part of described sand layers (11) from the top down, and other position insulation processing can be measured in each probe groups (35) only needle point end；The data that described probe groups (35) is monitored are transferred to PC end (36), and this PC end (36) utilizes programming Archie formula the data that probe groups (35) is monitored to be converted to the water saturation of sand layers (11), analyzes water saturation, displacement pressure reduction, relation between interlayer pressure difference and water yield；When shale layer (12) is broken through, the resistivity that probe groups (35) is monitored can decline rapidly, sand layers (11) water saturation increases sharply simultaneously, and the interlayer pressure difference now recorded is the breakthrough pressure of shale layer (12).
Mud stone breakthrough pressure the most according to claim 3 test device, it is characterised in that: being additionally provided with water-level gauge (37) in described tank (21), tank (21) is also connected with a booster pump (38).
Mud stone breakthrough pressure the most according to claim 3 test device, it is characterised in that: the gas in described gas cylinder (24) is nitrogen.
Mud stone breakthrough pressure the most according to claim 3 test device, it is characterised in that: described each probe groups (35) comprises the probe measuring sand layers (11) pressure and the probe simultaneously measuring sand layers (11) resistivity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620030604.5U CN205483824U (en) | 2016-01-13 | 2016-01-13 | Mix rock core test cabinet and mud stone breakthrough pressure testing arrangement |
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| CN201620030604.5U CN205483824U (en) | 2016-01-13 | 2016-01-13 | Mix rock core test cabinet and mud stone breakthrough pressure testing arrangement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547848A (en) * | 2016-01-13 | 2016-05-04 | 重庆科技学院 | Mixed core testing chamber and mud rock breakthrough pressure testing device |
| CN109254134A (en) * | 2017-07-12 | 2019-01-22 | 北京康普瑞基石油工程技术有限公司 | A kind of new method and equipment measuring Rock resistivity Indication of Oil-Gas breakthrough pressure |
| CN113532990A (en) * | 2021-07-15 | 2021-10-22 | 西南石油大学 | Preparation method of compact sandstone reservoir oil displacement core with argillaceous interlayer |
-
2016
- 2016-01-13 CN CN201620030604.5U patent/CN205483824U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547848A (en) * | 2016-01-13 | 2016-05-04 | 重庆科技学院 | Mixed core testing chamber and mud rock breakthrough pressure testing device |
| CN105547848B (en) * | 2016-01-13 | 2018-09-28 | 重庆科技学院 | A kind of mixing rock core test cabinet and mud stone breakthrough pressure test device |
| CN109254134A (en) * | 2017-07-12 | 2019-01-22 | 北京康普瑞基石油工程技术有限公司 | A kind of new method and equipment measuring Rock resistivity Indication of Oil-Gas breakthrough pressure |
| CN109254134B (en) * | 2017-07-12 | 2021-12-31 | 北京康普瑞基石油工程技术有限公司 | Novel method and equipment for measuring rock resistance and indicating oil gas breakthrough pressure |
| CN113532990A (en) * | 2021-07-15 | 2021-10-22 | 西南石油大学 | Preparation method of compact sandstone reservoir oil displacement core with argillaceous interlayer |
| CN113532990B (en) * | 2021-07-15 | 2023-11-14 | 西南石油大学 | Preparation method of compact sandstone oil displacement core with argillaceous interlayer |
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Granted publication date: 20160817 Effective date of abandoning: 20180928 |