CN2127786Y - Device for testing cementing strength of combined cement ring - Google Patents
Device for testing cementing strength of combined cement ring Download PDFInfo
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- CN2127786Y CN2127786Y CN 92222635 CN92222635U CN2127786Y CN 2127786 Y CN2127786 Y CN 2127786Y CN 92222635 CN92222635 CN 92222635 CN 92222635 U CN92222635 U CN 92222635U CN 2127786 Y CN2127786 Y CN 2127786Y
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Abstract
Disclosed is a horizontal opening type concealed theft-proof safety door. The surface layer of the utility model is made by the pressing of magnesium cement, glass fibre cloth and gunny, which is has the advantages of fire prevention, heat preservation and thermal insulation. The utility model is attached with a transparent viewing window, the inner periphery of the viewing window is provided with a plurality of small holes, and people inside can observe people outside and talk with the people outside. The viewing window is covered by a window cover at ordinary times. The conducting wire line of a breaking type alarm is buried in the surface layer of the utility model, which is secure.
Description
The utility model relates to a kind of cement mantle consolidation strength proving installation, particularly a kind of can be at the combined type cement mantle consolidation strength proving installation under the High Temperature High Pressure simulated formation full-scale condition, be applicable to the oil well cement paste of testing various different formulations at mechanical consolidation strength between formed cement mantle and the metal tube or waterpower consolidation strength after the maintenance under the different temperatures pressure, thereby instruct the grout compound design of oil gas well cementing operation operation.
At present, the domestic means of also under High Temperature High Pressure simulated formation full-scale condition, not measuring cementing concrete ring consolidation strength, but the compressive strength of employing cement briquette after the maintenance under simulation High Temperature High Pressure formation condition is used as weighing in the slurry design unique foundation of its intensity.Because the compressive strength of cement briquette can not reflect the quality of cement mantle and string of casing degree of consolidation, therefore be difficult to control in this way and grasp reasonable technological parameter, can not guarantee the annular space between the sealing borehole wall and sleeve pipe well, cause scurrying mutually of various places interlayer logical, make a lot of oil gas wells that abnormal damage take place in process of production and need the stopping production well workover even full well is scrapped, not only upset rational development plan but also caused the loss of hydrocarbon resources.
Though external relevant High Temperature High Pressure curing condition is measured the device of cement stone and sleeve pipe consolidation strength down, but complex structure, involve great expense, be awkward, can only test a test block, data reliability is poor at every turn, and testing efficiency is low, thereby be difficult in production practices, promote, only limit at present in some scientific experiment chamber, use.
But task of the present utility model is to provide cementing slurry laboratory, a kind of fuel feeding field and relevant R﹠D institution the conventional combined type cement mantle consolidation strength proving installation that uses.Full-scale condition under the experiment test condition energy simulation well is through once testing machinery or the waterpower consolidation strength that can measure four test blocks.Test accurately, good reliability, die trial is simple and compact for structure, physical dimension can match with the general maintenance still in grout laboratory and can maximally utilise the kettle space; Cheap, operation dismounting and clean simple and easy to do.
The utility model is finished as follows:
Proving installation tests special-purpose bed die by die trial assembly, mechanical consolidation strength and waterpower consolidation strength applied voltage test system three parts are formed.
On the die trial assembly cover plate is arranged, down base plate is arranged, be divided into four layers of pipe die from top to bottom, pipe and outer tube in every layer of pipe die has respectively have dividing plate between layer and the layer.Dividing plate is the base plate of upper strata pipe die, is again the cover plate of lower floor's pipe die.The diagonal line of cover plate and base plate is identical with maintenance still kettle internal diameter, and two minor faces are processed with arc section, just matches with inner wall of kettle, can guarantee that die trial lays between two parties, is processed with one section straight flange in the middle of the segmental arc of base plate garden, can get out of the way the interior thermocouple probe position of maintenance still kettle.The centre of cover plate, three dividing plates and base plate all is drilled with circular hole, pipe was in the pressured state of artificial ground in thereby tube cavity and curing fluid capable pressure communication made in can making, and when the test mould is put into the maintenance still, the position of circular hole just and the thermocouple jack on the kettle cover align, can insert thermopair easily.Be processed with the screw thread that matches with dedicated handle on the cover plate center hole, whole die trial assembly is put into the maintenance still or take out from still so that be screwed into dedicated handle.When taking out die trial, the curing fluid capable in the interior pipe can flow out by bottom center hole.The base plate bottom has four legs to be convenient to the die trial seat to keep steady.
Base plate is with respectively having the ring groove that matches with size of outer tube above the dividing plate, the eccentric inner groove that has different degree of eccentricity with concentric inner groove of outer groove and twice together, and the size of inner groove all matches with the interior size of managing of pipe die.Inner and outer pipes can embed respectively forms concentric or eccentric pipe die in the corresponding groove, the outer significant height of the groove of outer tube is 50mm.Interior pipe embeds during slightly high so that dress mould than outer tube in the ring groove below dividing plate or the cover plate, is easy to the location and carries out strength test.The inner and outer pipes two ends all process smooth smooth to guarantee positiver sealing.To be equipped with in the annular space of good grout injection inner and outer pipe composition.The surface of contact of inner and outer pipe and grout does not need any processing, and the roughness that keeps in touch face itself is so that cased actual roughness of simulation well and the intensity when helping measuring between cement mantle and tube wall glued destruction accurate and visually.Dimension scale between inner and outer pipe diameter and wall thickness is dwindled by the geometric similarity criterion according to the on-the-spot actual hole structure that adopts.Cover plate and three dividing plates following respectively has the groove of annular concentric together that matches with interior pipe size and the eccentric ring groove of the different degree of eccentricity of twice accordingly, each ring groove degree of depth just equates with the part that interior pipe exceeds outer tube, when covering cover plate and dividing plate, interior pipe exceeds in the lucky embedded groove of part of outer tube, radially have the straight trough that twice and each road ring groove intersect below cover plate and three dividing plates perpendicular to the long limit of plate, the annular space top is connected, in making with the pressure of the outside maintenance still curing fluid capable of pipe, grout between the outer tube in the annular space is in pressured state.The both sides of cover plate, three dividing plates and base plate all is symmetrily processed with two circular holes, car has screw thread in the base plate circular hole, two connecting screw rods pass cover plate and three circular holes every the newspaper both sides, the lower end is screwed in the screw of base plate, and the upper end is linked to be an integral body with clamp nut with cover plate, four layers of inner and outer pipes pipe die, three dividing plates and base plate and forms the test mould assembly.
Special-purpose bed die is made up of pressure head, pressure ring and bed die body.
The pressure head upper end is the pressure head attic base of pressure-bearing, and attic base presses the core lower end to be processed into a short step down for pressing core.Pressure head attic base external diameter is identical with the bed die body diameter, and pressure head hollow presses the core external diameter identical with interior external diameter of pipe to alleviate overall weight, and step external diameter partly is slightly less than inner tube diameter and pressure ring internal diameter.
Pressure ring be three sizes respectively with three kinds of corresponding flat ring bodies of inner and outer pipes annular space, be respectively applied for test with one heart or the mechanical consolidation strength of the pipe die of two kinds of different degree of eccentricity, the pressure ring external diameter is slightly less than outer tube diameter, the two is loose fit; Internal diameter is slightly less than inner tube diameter, just can be put on the corresponding concentric or eccentric cement mantle by seat, and inserts its endoporus by the pressure head step part, is tested by the pressure ring mechanical consolidation strength that pressurization is carried out between outer tube and the cement mantle to cement mantle through pressure head by pressure testing machine.
The bed die body is a hollow cylinder, cylinder is vertically to dividing, have two kinds of different internal diameters, the diameter of bore of cylinder small bore end is slightly larger than interior external diameter of pipe, end face is processed with annular concentric groove and the eccentric ring groove of twice that size is coincide with size of outer tube, the big nose end of cylinder is processed into the internal diameter thicl-walled cylinder identical with outer tube diameter, and there is a step end, and size is identical with external diameter in the outer tube.
During test, pipe die after taking off one deck maintenance on the die trial assembly, pipe die is placed the small bore end of special-purpose bed die and make outer tube embed corresponding ring groove, add seaming chuck, the short step of pressure head stretches into interior pipe, and the pressurization of working pressure testing machine is until interior pipe is extruded pipe die, the mechanical shearing that can measure between inner tube outer surface and the cement mantle destroys required power, and its ratio with glued area is cement plane mechanical shearing breakdown strength.Take off the big nose end that the pipe die of deviating from interior pipe is embedded in the bed die body, add corresponding pressure ring, and the pressure ring endoporus is overlapped with pipe die cement mantle endoporus, short step with pressure head stretches in the pressure ring again, with the pressing machine pressurization cement mantle is extruded pipe die, the mechanical shearing that can measure between cement mantle and outer pipe internal surface destroys required power, and its ratio with glued area is the mechanical shearing breakdown strength of cement plane.
Waterpower consolidation strength compression system is a conventional hydraulic pressure test system, is made up of test pump, tensimeter and connecting pipe.
During test, pipe die after taking off one deck maintenance on the die trial assembly, an aperture is bored in outer tube significant height center at pipe die, and process screw thread, be connected with the pressure testing system pipeline again, slowly pressurize the waterpower consolidation strength the when pressure when the pipe die infiltration is leaked is cement mantle and the glued destruction of outer tube with test pump.
The utility model will be further described below with reference to accompanying drawing.
Accompanying drawing 1 is the scheme of installation of a kind of concrete structure of the present utility model.
Accompanying drawing 2 is cover plate of the present utility model (Fig. 2-a), dividing plate (Fig. 2-b) and base plate (structural representations of Fig. 2-c).
Accompanying drawing 3 is pressure head synoptic diagram of the special-purpose bed die of the utility model.
Accompanying drawing 4 is the concentric pressure ring (Fig. 4-a) and the eccentric pressure ring of two different degree of eccentricity (structural representations of Fig. 4-b, Fig. 4-c) of the special-purpose bed die of the utility model.
Accompanying drawing 5 is the utility model pipe die synoptic diagram.
Accompanying drawing 6 is structural representations of special-purpose bed die bed die body of the present utility model.
Accompanying drawing 7 is the utility model waterpower consolidation strength applied voltage test system schematic.
With reference to accompanying drawing 1 and accompanying drawing 2, have the base plate (2) of four legs (1) and three dividing plates (3) above have the outer groove (A) that matches with outer tube (4) and interior pipe (5) size, the eccentric inner groove of a concentric inner groove (B1) and two different degree of eccentricity (B2, B3) (Fig. 2-b, Fig. 2-c), interior pipe (5) and outer tube (4) are made for weldless steel tube, can distinguish embedded groove (A) and (B1) or form concentric or eccentric pipe die in (B2, B3), outer tube significant height 50mm, interior pipe (5) is slightly higher than outer tube (4).The surfaces externally and internally of inner and outer pipes (5,4) does not need any processing, the roughness of maintenance own, and end face processing is bright and clean so that sealing.In, outer tube (5), (4) material adopts weldless steel tube, have below cover plate (7) and three dividing plates (3) with interior pipe (5) size kissing and merge and base plate (2), each groove (A above the dividing plate (3), B1, B2, B3) the eccentric ring groove (C2 of corresponding one annular concentric groove (C1) and the different degree of eccentricity of twice, C3), groove (C1, C2, C3) pipe exceeded exceeding partly of outer tube (4) in the consistent size and the degree of depth just in time equaled, can be assembled into the pipe die of concentric or different degree of eccentricity according to the test needs, so that the consolidation strength of the cement mantle under the test different conditions.Cover plate (7) and three dividing plates (3) following radially has twice straight trough (D) perpendicular to the long limit of plate and intersects with each ring groove (C1, C2, C3) and be communicated with.The both sides of cover plate (7), three dividing plates (3) and base plate (2) all is symmetrily processed with two circular hole (a) and (b), the screw thread of having returned the car in the circular hole of base plate (2).The centre of cover plate (7) and three dividing plates (3) all is drilled with in the center hole (C) of circular hole (C), cover plate (7) also, and car has screw thread, can be connected with stainless steel dedicated handle (10), the diagonal line of cover plate (7) and base plate (2) is identical with maintenance still kettle internal diameter, and minor face all is processed with the circular arc that matches with inner wall of kettle.Be processed into straight section in the middle of the minor face of base plate (2) to reserve thermocouple probe locus in the maintenance still kettle.The both ends of the surface of interior pipe (5) and outer tube (4) are all processed smooth smooth.According to the test needs, outer tube (4) and interior pipe (5) are embedded the ring groove (A) of base plate (2) and (B1) or (B2) respectively, (B3) in, the eccentric pipe die of forming concentric or different degree of eccentricity, respectively with inner and outer pipes (5), (4) fills with water mud in the annular space between, and superfluous water mud wiped away, cover dividing plate (3), corresponding ring groove (C1) or (C2) below the dividing plate (3), (C3) the raised area embedding that just interior pipe (5) is exceeded outer tube (4) is lived, again successively with second, three, four layers outer tube (4) and interior pipe (5) embed the ring groove (A) and (B1) or (B2 above the lower partition (3) respectively, B3) in, and make interior pipe (5) the raised area embed the following corresponding ring groove (C1) or (C2 of dividing plate (3) on top respectively, C3) in, cover cover plate (7) at last, and the upper end that makes pipe (5) in the superiors' pipe die embeds cover plate (7) following ring groove (C1) or (C2, C3) in, two stainless steel connecting screw rods (8) are passed cover plate (7), the circular hole of three dividing plates (3) both sides, the lower end is screwed in the screw of base plate (2) both sides, the upper end with the stainless steel clamp nut with cover plate (7), four layers of inner and outer pipes (5), (4), three dividing plates (3) and base plate (2) are linked to be an integral body, each plate (7,3,2) being stainless steel makes.
With reference to accompanying drawing 3, pressure head (11) is a hollow, the upper end is processed into a short step (11c), is pressed core (11b) external diameter identical with interior pipe (5) external diameter for pressure core (11b), pressure core (11b) lower end down for the pressure head attic base (11a) of pressure-bearing, attic base (11a), and the external diameter of step part (11c) is slightly less than the internal diameter of interior pipe (5) and pressure ring (12).
With reference to accompanying drawing 4, concentric pressure ring 12a(accompanying drawing 4-a) and two eccentric pressure rings (12b, 12c) (accompanying drawing 4-b, 4-c) of different degree of eccentricity optionally be used to respectively to test corresponding with one heart or the mechanical consolidation strength of the cement mantle of the pipe die of two kinds of different degree of eccentricity.Pressure ring (12) external diameter all is slightly less than the internal diameter of outer tube (4) and the big nose end diameter of bore of bed die body (13) (accompanying drawing 6), pressure ring (12) internal diameter is slightly less than the internal diameter of interior pipe (5), and upward each groove (A, B1, B2, B3, C1, C2, C3) is corresponding with each plate (7,3,2) respectively for pressure ring (12a, 12b, 12c).
With reference to accompanying drawing 5, pipe die is made up of interior pipe (5), outer tube (4), and interior pipe (5) is a little more than outer tube (4), and the raised area equals the degree of depth of each groove (A, B, C) just.Fill with the grout (6) that can after maintenance, form cement mantle to be tested in the annular space between inner and outer pipes (5,4).
With reference to accompanying drawing 6, bed die body (13) is a hollow cylinder, the cylinder two ends have different inner diameters, the small bore end diameter of bore is slightly larger than the external diameter of interior pipe (5), and end face is processed with outer tube (4) measure-alike ring groove concentric with endoporus (A1) and the eccentric ring groove (A2, A3) of twice; The diameter of bore of the big nose end of cylinder processing is identical with outer tube (4) internal diameter, the combination of each annular groove and endoporus and each plate of die trial assembly (7,3,2) respectively between the combination of groove corresponding, end step (B) and outer tube (4) are identical.
When installing and using, should be on the end face in interior pipe (5) two ends and outer tube (4) the lower end embedded groove and ring groove (A, B1, B2, B3, C1, C2, the C3) inside surface on cover plate (7), three dividing plates (3) and the base plate (2) be coated with one deck stop-leak compound, fat liquoring will approach and evenly, promptly be beneficial to sealing, be convenient to the demoulding again, can avoid grout generation adhesion phenomenon after maintenance is solidified in the pipe die.
With reference to accompanying drawing 7, the hydraulic pressure test system is made up of test pump (14), tensimeter (15) and associated line (16), the pipe die length that is used to test the waterpower consolidation strength can be made the long tetrad of 50mm as required, the concentric or eccentric pipe die of the patterns such as single mode that long two group and 200mm of 100mm is long.When test, take off one deck pipe die, hole and machining screw in pipe die outer tube significant height center according to the test needs, when boring or tapping, should note not damaging the consolidation strength between cement and the pipe, associated line then, slowly pressurize with test pump, the top pressure when recording pipe die cement plane infiltration leakage is waterpower consolidation strength value.
Claims (11)
1, a kind of by comprising cover plate (7), outer tube (4), interior pipe (5), three dividing plates (3), base plate (2), connecting screw rod (8) and dedicated handle (10) are at interior die trial assembly and comprise pressure head (11), pressure ring (12) and bed die body (13) are tested special-purpose bed die and are comprised test pump (14) at interior mechanical consolidation strength, the combined type cement mantle consolidation strength proving installation that tensimeter (15) and connecting pipe (16) are formed in interior waterpower consolidation strength hydraulic pressure test system, it is characterized in that: outer tube of die trial assembly (4) and interior pipe (5) suit are formed pipe die, be inlaid in above the base plate (2) and the ring groove (A below three dividing plates (3), B, C) in, cutting ferrule becomes four layers of pipe die layer by layer; The pressure head (11) of special-purpose bed die is a hollow, and bed die body (13) has respectively the hollow cylinder of the different inner diameters that matches with pipe die inner and outer pipes (5,4) for two ends.
2, by the described combined type cement mantle of claim 1 consolidation strength proving installation, it is characterized in that: have the ring groove (B1, B2, B3, C1, C2, C3) that matches with interior pipe (5) above the above and below of following, three dividing plates (3) of the cover plate of die trial assembly (7) and the base plate (2), have the ring groove (A) that matches with outer tube (4) above base plate (2) and three dividing plates (3), the centres of groove (A, B1, C1) and plate (7,3,2), groove (B2, B3, C2, C3) center of plate (7,3,2) relatively are eccentric;
3, by the described combined type cement mantle of claim 1 consolidation strength proving installation, it is characterized in that: above the inner and outer pipe of die trial assembly (5,4) and corresponding each plate (7,3,2) and following ring groove (A, B, C) the centering type pipe die that can supporting setting-in becomes the concentric type pipe die or have different degree of eccentricity;
4, by the described combined type cement mantle of claim 1 consolidation strength proving installation, it is characterized in that: the interior pipe (5) of die trial assembly is slightly higher than outer tube (4), the size and the cover plate (7) that exceed partly are identical with following ring groove (C) degree of depth of three dividing plates (3), and the significant height after pipe die is assembled is 50mm;
5, by the described combined type cement mantle of claim 1 consolidation strength proving installation, it is characterized in that: the caliber of the inner and outer pipe of die trial assembly (5), (4) and wall thickness combination are scaled according to the geometric similarity criterion according to on-the-spot actual hole structure;
6, by the described combined type cement mantle of claim 1 consolidation strength proving installation, it is characterized in that: the diagonal line of cover plate of die trial assembly (7) and base plate (2) is identical with maintenance still kettle internal diameter, the minor face of plate (7,2) all is processed with the arc section that matches with inner wall of kettle, be processed with one section straight flange in the middle of the arc section of base plate (2), the center of cover plate (7), three dividing plates (3) and base plate (2) is processed with circular hole, the center hole of cover plate (7) connecting thread of having got on the bus;
7, estimate device by the described combined type cement mantle of claim 1 consolidation strength, it is characterized in that: the following of the cover plate of die trial assembly (7) and three dividing plates (3) radially has twice pressure conduction straight trough (D) perpendicular to the long limit of plate;
8, by the described combined type cement mantle of claim 1 consolidation strength proving installation, it is characterized in that: the material of the inner and outer pipe of die trial assembly (5,4) adopts the weldless steel tube identical with the sleeve surface roughness, other part adopts stainless steel to make, the surfaces externally and internally of inner and outer pipes (5,4) all need not processed, and the pipe end face need be processed smooth smooth;
9, by the described combined type cement mantle of claim 1 consolidation strength proving installation, it is characterized in that: the pipe die length of die trial assembly can add respectively according to waterpower consolidation strength test needs grows to 100mm or 200mm, makes the double-deck pipe die that only need add one deck dividing plate (3) or does not add the individual layer pipe die of dividing plate (3);
10, by the described combined type cement mantle of claim 1 consolidation strength proving installation, it is characterized in that: the small bore end of the bed die body (13) of special-purpose bed die has the ring groove (A1, A2, A3) that matches with outer tube (4), groove (A1) and bed die body centres, groove (A2, A3) bed die body center relatively are eccentric;
11, by the described combined type cement mantle of claim 1 consolidation strength proving installation, it is characterized in that: to match with concentric pipe die, the inside and outside circle off-centre of pressure ring (12-b, 12-c) is to match with eccentric pipe die with one heart for the inside and outside circle of the pressure ring of special-purpose bed die (12-a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92222635 CN2127786Y (en) | 1992-05-26 | 1992-05-26 | Device for testing cementing strength of combined cement ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92222635 CN2127786Y (en) | 1992-05-26 | 1992-05-26 | Device for testing cementing strength of combined cement ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2127786Y true CN2127786Y (en) | 1993-03-03 |
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ID=33768906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92222635 Expired - Fee Related CN2127786Y (en) | 1992-05-26 | 1992-05-26 | Device for testing cementing strength of combined cement ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2127786Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184866A (en) * | 2013-03-15 | 2013-07-03 | 西安石油大学 | Well cementation cement sheath integrity simulation and evaluation tester |
| CN105092465A (en) * | 2015-08-28 | 2015-11-25 | 中国石油天然气股份有限公司 | Well cementation cement bond strength testing device and method |
| CN105136583A (en) * | 2015-10-10 | 2015-12-09 | 辽宁工程技术大学 | Briquette coal manufacturing process pore fracture evolution testing device |
| CN105403505A (en) * | 2015-11-24 | 2016-03-16 | 安东石油技术（集团）有限公司 | Cementing interface bonding strength testing device and method |
| CN105422080A (en) * | 2015-12-29 | 2016-03-23 | 中国石油天然气股份有限公司 | Well cementation cement bond strength testing arrangement |
| CN105738277A (en) * | 2016-02-17 | 2016-07-06 | 中国石油天然气股份有限公司 | Experimental device and method for detecting bonding strength of channeling sealing agent |
| CN106761679A (en) * | 2017-02-28 | 2017-05-31 | 中国地质大学（北京） | The evaluating apparatus and method of a kind of the first interface agglutination quality of eccentric test well cementation |
| CN106990042A (en) * | 2017-06-01 | 2017-07-28 | 中国石油大学(华东) | One kind well cementation interfacial adhesion determines device |
| CN107807079A (en) * | 2017-09-27 | 2018-03-16 | 重庆大学 | A kind of soil body cylinder shearing permeability experimental facility and method of testing |
| CN108505960A (en) * | 2017-02-23 | 2018-09-07 | 中国石油化工股份有限公司 | Hinge type anticreep washing pipe clamp |
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1992
- 1992-05-26 CN CN 92222635 patent/CN2127786Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103184866B (en) * | 2013-03-15 | 2015-07-22 | 西安石油大学 | Well cementation cement sheath integrity simulation and evaluation tester |
| CN103184866A (en) * | 2013-03-15 | 2013-07-03 | 西安石油大学 | Well cementation cement sheath integrity simulation and evaluation tester |
| CN105092465A (en) * | 2015-08-28 | 2015-11-25 | 中国石油天然气股份有限公司 | Well cementation cement bond strength testing device and method |
| CN105092465B (en) * | 2015-08-28 | 2019-03-12 | 中国石油天然气股份有限公司 | Well cementation cement bond strength testing device and method |
| CN105136583A (en) * | 2015-10-10 | 2015-12-09 | 辽宁工程技术大学 | Briquette coal manufacturing process pore fracture evolution testing device |
| CN105403505A (en) * | 2015-11-24 | 2016-03-16 | 安东石油技术（集团）有限公司 | Cementing interface bonding strength testing device and method |
| CN105422080B (en) * | 2015-12-29 | 2018-07-13 | 中国石油天然气股份有限公司 | Well cementation cement bond strength testing arrangement |
| CN105422080A (en) * | 2015-12-29 | 2016-03-23 | 中国石油天然气股份有限公司 | Well cementation cement bond strength testing arrangement |
| CN105738277A (en) * | 2016-02-17 | 2016-07-06 | 中国石油天然气股份有限公司 | Experimental device and method for detecting bonding strength of channeling sealing agent |
| CN105738277B (en) * | 2016-02-17 | 2018-07-10 | 中国石油天然气股份有限公司 | Method for detecting bonding strength of channeling sealing agent |
| CN108505960A (en) * | 2017-02-23 | 2018-09-07 | 中国石油化工股份有限公司 | Hinge type anticreep washing pipe clamp |
| CN106761679A (en) * | 2017-02-28 | 2017-05-31 | 中国地质大学（北京） | The evaluating apparatus and method of a kind of the first interface agglutination quality of eccentric test well cementation |
| CN106761679B (en) * | 2017-02-28 | 2020-08-28 | 中国地质大学（北京） | Evaluation device and method capable of eccentrically testing cementing quality of first interface of well cementation |
| CN106990042A (en) * | 2017-06-01 | 2017-07-28 | 中国石油大学(华东) | One kind well cementation interfacial adhesion determines device |
| CN107807079A (en) * | 2017-09-27 | 2018-03-16 | 重庆大学 | A kind of soil body cylinder shearing permeability experimental facility and method of testing |
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