CN103293381A - Core saturation and resistivity measuring device by the aid of fluid displacing method - Google Patents

Core saturation and resistivity measuring device by the aid of fluid displacing method Download PDF

Info

Publication number
CN103293381A
CN103293381A CN2013102125793A CN201310212579A CN103293381A CN 103293381 A CN103293381 A CN 103293381A CN 2013102125793 A CN2013102125793 A CN 2013102125793A CN 201310212579 A CN201310212579 A CN 201310212579A CN 103293381 A CN103293381 A CN 103293381A
Authority
CN
China
Prior art keywords
fluid
displacement
screw thread
pressurization
lifting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013102125793A
Other languages
Chinese (zh)
Other versions
CN103293381B (en
Inventor
蔡敏龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNPC Xibu Drilling Engineering Co Ltd
Original Assignee
CNPC Xibu Drilling Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CNPC Xibu Drilling Engineering Co Ltd filed Critical CNPC Xibu Drilling Engineering Co Ltd
Priority to CN201310212579.3A priority Critical patent/CN103293381B/en
Publication of CN103293381A publication Critical patent/CN103293381A/en
Application granted granted Critical
Publication of CN103293381B publication Critical patent/CN103293381B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention relates to the technical field of core saturation and resistivity joint measuring devices, and discloses a core saturation and resistivity measuring device by the aid of a fluid displacing method. The core saturation and resistivity measuring device comprises an ambient pressure barrel, a displacing electrode, an upper barrel sealing cap and a lower barrel sealing cap. A rubber sleeve is mounted inside the ambient pressure barrel, the upper end and the lower end of the rubber sleeve are respectively fixedly mounted with the upper end and the lower end of the ambient pressure barrel, an air cavity is formed between the rubber sleeve and the inner wall of the ambient pressure barrel, a radial inflating opening which is communicated with the air cavity is formed in the middle of the ambient pressure barrel, the inside of the ambient pressure barrel is communicated with the outside of the ambient pressure barrel via the radial inflating opening, and the displacing electrode is fixedly mounted in an inner cavity formed by the upper portion of the rubber sleeve and the upper portion of the ambient pressure barrel. The core saturation and resistivity measuring device has the advantages that the core saturation and resistivity measuring device is reasonable and compact in structure and convenient to use, a core can be installed and replaced conveniently and can be effectively coupled with the measuring electrode, accordingly, the fluid draining quantity of the core can be assuredly accurately metered, the core saturation and resistivity measurement accuracy is guaranteed, and contact errors due to contact resistance of the core are effectively reduced.

Description

Drive the liquid method and survey rock core saturation degree resistivity test device
Technical field
The present invention relates to rock core saturation degree and resistivity translocation device technique field, is that a kind of liquid method of driving is surveyed rock core saturation degree resistivity test device.
Background technology
For a long time, rock core saturation degree resistivity translocation device is to adopt gas or oily displacement to measure saturated two utmost point methods of rock core to measure rock core saturation degree resistivity, and confined pressure can require to set according to measuring, but coupling pressure can not be set.The displacement end adopts rock core and the coupling of stainless steel potential electrode, and outlet end adopts rock core, the direct-coupled mode of stainless steel electrode.Fixing because of coupling pressure, coupling effect is poor, and it is big that rock core and electrode contact error.Along with the decline of rock core water containing saturability, the rock core contact resistance can be multiplied, and causes rock core saturation degree resistivity measurement error constantly to increase.And the fluid structural design is unreasonable, causes the fluid error in dipping big.
Summary of the invention
The invention provides a kind of liquid method of driving and survey rock core saturation degree resistivity test device, overcome the deficiency of above-mentioned prior art, it is big and cause big and the fluid error in dipping is big to rock core resistivity measurement error that it can effectively solve traditional rock core saturation degree resistivity translocation device contact resistance error when measuring.
Technical scheme of the present invention realizes by following measure: a kind of liquid method of driving is surveyed rock core saturation degree resistivity test device, comprises confined pressure tube, displacement electrode, upper shell sealing cap and lower shell sealing cap; The inside of confined pressure tube is equipped with rubber sleeve, the top and bottom of rubber sleeve are fixedly installed togather with the top and bottom of confined pressure tube respectively, form air cavity between rubber sleeve and the confined pressure tube inwall, there is the radially inflation inlet that perforation is inside and outside and communicate with air cavity at the middle part of confined pressure tube, in the inner chamber that the top of rubber sleeve top and confined pressure tube forms, be installed with the displacement electrode, the upper end outer wall of confined pressure tube and the lower inner wall of upper shell sealing cap are fixedly installed togather, the outer wall of the upper inside wall of upper shell sealing cap and displacement electrode is fixedly installed togather, the lower end outer wall of confined pressure tube and the upper inside wall of lower shell sealing cap are fixedly installed togather, fluid conduction pressure cap is installed in the rubber sleeve lower lumen, the lower end of fluid conduction pressure cap is installed with fluid insulation insulated column, the lower end of fluid insulation insulated column is installed with fluid pressurization joint pin, there is the fluid connectivity slot upper end of fluid conduction pressure cap, the upper end of fluid conduction pressure cap is installed with fluid porous silver strip, forms installation cavity between the lower surface of fluid porous silver strip and displacement electrode and the rubber sleeve; There is the up big and down small taper fluid hole that communicates with the fluid connectivity slot at the center of fluid conduction pressure cap, there is the axial installation through hole of connection the inside of the fluid insulation insulated column of corresponding taper fluid hole and the inside of fluid pressurization joint pin, there is the wire casing that goes out that communicates with the installation through hole lower end of fluid pressurization joint pin, the right-hand member that goes out wire casing is installed with the slotted line joint, the left end that goes out wire casing is installed with the fluid sealing adaptor respectively and drives the liquid sealing joint, there is the fluid through-hole of going out the inside of fluid sealing adaptor, drive the inside of liquid sealing joint and drive fluid through-hole, install to be installed with respectively in the through hole and drive the liquid pipeline, fluid pipeline and fluid slotted line, the upper end of driving the liquid pipeline is connected with the top of taper fluid hole, the upper end of fluid pipeline is connected with the lower end of taper fluid hole, the lower end of driving the liquid pipeline is passed to drive fluid through-hole and be positioned at and is driven the fluid through-hole outer end, the lower end of fluid pipeline is passed out fluid through-hole and is positioned at the fluid through-hole outer end, and the top and bottom of fluid slotted line are fixedly installed togather with fluid conduction pressure cap and slotted line joint respectively.
Be the further optimization and/or improvements to the foregoing invention technical scheme below:
Above-mentioned displacement electrode can comprise displacement pressurization joint pin, displacement conduction pressure cap and displacement insulation insulated column; Displacement pressurization joint pin is installed in the inner chamber of rubber sleeve top and the formation of confined pressure tube top, the installation concave station that annular is arranged on the displacement pressurization joint pin external wall of upper portion, at the installation concave station displacement pressurization adapter sleeve is installed, the outer wall of displacement pressurization adapter sleeve and the upper inside wall of upper shell sealing cap are fixedly installed togather, be installed with displacement pressurization fixed cover on the installation concave station of displacement pressurization adapter sleeve top, there is last mounting groove the lower end of displacement pressurization joint pin, there is following mounting groove the upper end of displacement conduction pressure cap, the top and bottom of displacement insulation insulated column be fixedly mounted on respectively in the mounting groove with following mounting groove in, the axially extending bore that connection is arranged in the inside of displacement pressurization joint pin and displacement insulation insulated column, displacement pressurization joint pin above displacement pressurization fixed cover has the displacement slotted line joint inside and outside connecting, in the inside of axially extending bore the displacement slotted line is installed, be set with the displacement insulated pipe line on the displacement slotted line, the top and bottom of displacement slotted line are fixedly installed togather with displacement slotted line joint the inner and displacement conduction pressure cap respectively, displacement pressurization joint pin internal fixation above displacement slotted line joint is equipped with the round-meshed sealing adaptor in center, on the displacement conduction pressure cap of corresponding axially extending bore mounting hole is arranged, the displacement pipeline that is communicated with circular hole and mounting hole is installed in axially extending bore inside, there is the displacement connectivity slot that communicates with mounting hole displacement conduction pressure cap lower end, displacement conduction pressure cap lower end is installed with the porous silver strip, forms installation cavity between porous silver strip and fluid porous silver strip and the rubber sleeve.
The lower end of above-mentioned fluid pressurization joint pin can be installed with jacking gear, and jacking gear comprises lifting connector, lifting shaft and lifting tube; Lower end at fluid pressurization joint pin is installed with the lifting connector, the lower end of lifting connector is installed with lifting shaft, the lower end of lifting tube and upper end are installed with sealing cap and center under the lifting respectively sealing cap in the lifting of piston hole, the bottom of lifting shaft is passed piston hole and is installed in the lifting tube, the lower end of lifting shaft is installed with piston head and is arranged in lifting tube, piston head is separated into top air cavity and bottom air cavity with lifting tube inside, the upper and lower of lifting tube have respectively communicate with top air cavity and bottom air cavity on inflation inlet and following inflation inlet, fix the limited block of restricted piston head maximum Top Runby on the lifting tube inwall between last inflation inlet and the piston head.
The installation base that annular can be arranged on the bottom outer wall of above-mentioned fluid pressurization joint pin, fluid pressurization joint pin outer wall above installation base is equipped with fluid pressurization adapter sleeve, be installed with fluid pressurization fixed cover on the fluid pressurization joint pin outer wall of fluid pressurization adapter sleeve top, be fixedly installed togather by screw thread between the outer wall of fluid pressurization adapter sleeve and the lower shell sealing cap, the lower end of fluid pressurization joint pin is installed with the fluid sealing cap.
Can be installed with O-ring seal on the sealing cap inwall in the lifting of above-mentioned corresponding piston hole, be installed with O-ring seal between the sealing cap inwall in lifting tube upper surface and the lifting, be installed with O-ring seal between piston head and the lifting tube inwall, be installed with O-ring seal between the sealing cap inwall under lifting tube lower surface and the lifting.
Can be radially distributed with at least two afterburning hole on the outer wall of above-mentioned upper shell sealing cap along circumference, the outer wall upper edge circumference of lower shell sealing cap is radially distributed with at least two afterburning hole, the external wall of upper portion of displacement pressurization adapter sleeve and the afterburning hole that the upper edge circumference is radially distributed with at least two, outer wall upper edge, the bottom circumference of fluid pressurization adapter sleeve is radially distributed with at least two afterburning hole, fluid insulation insulated column is cruciform, the outer wall upper edge circumference of fluid insulation insulated column is radially distributed with at least two afterburning hole, displacement insulation insulated column is cruciform, and the outer wall upper edge circumference of displacement insulation insulated column is radially distributed with at least two afterburning hole.
Above-mentioned upper end at the confined pressure tube can be installed with the upper shell sealing cap by screw thread, lower end at the confined pressure tube is installed with the lower shell sealing cap by screw thread, the lower end of fluid conduction pressure cap is installed with fluid insulation insulated column by screw thread, the lower end of fluid insulation insulated column is installed with fluid pressurization joint pin by screw thread, go out on the fluid pressurization joint pin of wire casing left end and be installed with the fluid sealing adaptor and drive the liquid sealing joint by screw thread respectively, the outer wall of displacement pressurization adapter sleeve and the upper inside wall of upper shell sealing cap are fixedly installed togather by screw thread, be installed with displacement pressurization fixed cover by screw thread on the installation concave station of displacement pressurization adapter sleeve top, the top and bottom of displacement insulation insulated column respectively by screw thread be fixedly mounted in the mounting groove with following mounting groove in, lower end at fluid pressurization joint pin is installed with the lifting connector by screw thread, the lower end of lifting connector is installed with lifting shaft by screw thread, and the lower end of lifting tube and upper end are installed with under the lifting sealing cap on the sealing cap and lifting by screw thread respectively.
Above-mentioned upper end at the confined pressure tube can be installed with the upper shell sealing cap by screw thread, lower end at the confined pressure tube is installed with the lower shell sealing cap by screw thread, the lower end of fluid conduction pressure cap is installed with fluid insulation insulated column by screw thread, the lower end of fluid insulation insulated column is installed with fluid pressurization joint pin by screw thread, going out on the fluid pressurization joint pin of wire casing left end respectively, the copper pipe screw thread is installed with the fluid sealing adaptor and drives the liquid sealing joint, the outer wall of displacement pressurization adapter sleeve and the upper inside wall of upper shell sealing cap are fixedly installed togather by screw thread, be installed with displacement pressurization fixed cover by screw thread on the installation concave station of displacement pressurization adapter sleeve top, the top and bottom of displacement insulation insulated column respectively by screw thread be fixedly mounted in the mounting groove with following mounting groove in, be installed with fluid pressurization fixed cover by screw thread on the fluid pressurization joint pin outer wall, the lower end of fluid pressurization joint pin is installed with the fluid sealing cap by screw thread.
Reasonable and compact in structure of the present invention, easy to use, it is convenient not only to install with the replacing rock core, and not only can make the accurate measurement that effectively is coupled between rock core and the potential electrode and then has guaranteed the rock core liquid outlet quantity, guaranteed the measuring accuracy of saturation degree rock core resistivity again, effectively reduce rock core contact resistance band the contact error.
Description of drawings
Accompanying drawing 1 is looked the sectional structure synoptic diagram for the master of the embodiment of the invention 1.
Accompanying drawing 2 is looked the sectional structure synoptic diagram for the master of the embodiment of the invention 3.
Accompanying drawing 3 cuts open structural representation for A in the accompanying drawing 2 looks left.
Coding in the accompanying drawing is respectively: 1 is the confined pressure tube, and 2 is rubber sleeve, and 3 is inflation inlet, 4 is air cavity, and 5 are fluid pressurization fixed cover, and 6 is the fluid sealing cap, 7 is O-ring seal, and 8 is afterburning hole, and 9 is the upper shell sealing cap, 10 is the lower shell sealing cap, and 11 are fluid conduction pressure cap, and 12 are fluid insulation insulated column, 13 are fluid pressurization joint pin, and 14 is fluid porous silver strip, and 15 are the taper fluid hole, 16 for installing through hole, and 17 for going out wire casing, and 18 for going out fluid through-hole, 19 is the fluid sealing adaptor, 20 is the slotted line joint, and 21 is the fluid pipeline, and 22 is the fluid slotted line, 23 is the fluid insulated pipe line, 24 for driving the liquid sealing joint, and 25 for driving fluid through-hole, and 26 for driving the liquid pipeline, 27 is rock core, 28 are displacement pressurization joint pin, and 29 are displacement conduction pressure cap, and 30 are displacement insulation insulated column, 31 for installing concave station, 32 are displacement pressurization adapter sleeve, and 33 are displacement pressurization fixed cover, and 34 is last mounting groove, 35 are following mounting groove, 36 is axially extending bore, and 37 are displacement slotted line joint, and 38 are the displacement slotted line, 39 are the displacement insulated pipe line, 40 is circular hole, and 41 is sealing adaptor, and 42 is mounting hole, 43 are the displacement pipeline, 44 is the porous silver strip, and 45 are the lifting connector, and 46 is lifting shaft, 47 is lifting tube, 48 are sealing cap under the lifting, and 49 is piston hole, and 50 are sealing cap in the lifting, 51 is piston head, 52 is the top air cavity, and 53 is the bottom air cavity, and 54 is last inflation inlet, 55 are following inflation inlet, 56 is limited block, and 57 is installation base, and 58 are fluid pressurization adapter sleeve.
Embodiment
The present invention is not subjected to the restriction of following embodiment, can determine concrete embodiment according to technical scheme of the present invention and actual conditions.
In the present invention, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description 1 is described, as: the position relation of upper and lower, left and right etc. is what to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the present invention is further described:
Embodiment 1, and shown in accompanying drawing 1,2, this drives liquid method survey rock core saturation degree resistivity test device and comprises confined pressure tube 1, displacement electrode, upper shell sealing cap 9 and lower shell sealing cap 10; The inside of confined pressure tube 1 is equipped with rubber sleeve 2, the top and bottom of rubber sleeve 2 are fixedly installed togather with the top and bottom of confined pressure tube 1 respectively, form air cavity 4 between rubber sleeve 2 and confined pressure tube 1 inwall, there is the radially inflation inlet 3 that perforation is inside and outside and communicate with air cavity 4 at the middle part of confined pressure tube 1, in the inner chamber that the top of rubber sleeve 2 tops and confined pressure tube 1 forms, be installed with the displacement electrode, the upper end outer wall of confined pressure tube 1 and the lower inner wall of upper shell sealing cap 9 are fixedly installed togather, the outer wall of the upper inside wall of upper shell sealing cap 9 and displacement electrode is fixedly installed togather, the lower end outer wall of confined pressure tube 1 and the upper inside wall of lower shell sealing cap 10 are fixedly installed togather, fluid conduction pressure cap 11 is installed in rubber sleeve 2 lower lumen, the lower end of fluid conduction pressure cap 11 is installed with fluid insulation insulated column 12, the lower end of fluid insulation insulated column 12 is installed with fluid pressurization joint pin 13, there is the fluid connectivity slot upper end of fluid conduction pressure cap 11, the upper end of fluid conduction pressure cap 11 is installed with fluid porous silver strip 14, forms installation cavity between the lower surface of fluid porous silver strip 14 and displacement electrode and the rubber sleeve 2; There is the up big and down small taper fluid hole 15 that communicates with the fluid connectivity slot at the center of fluid conduction pressure cap 11, there is the axial installation through hole 16 of connection the inside of the fluid insulation insulated column 12 of corresponding taper fluid hole 15 and the inside of fluid pressurization joint pin 13, the lower end of fluid pressurization joint pin 13 have with install that through hole 16 communicates go out wire casing 17, the right-hand member that goes out wire casing 17 is installed with slotted line joint 20, the left end that goes out wire casing 17 is installed with fluid sealing adaptor 19 respectively and drives liquid sealing joint 24, there is the fluid through-hole of going out 18 inside of fluid sealing adaptor 19, drive the inside of liquid sealing joint 24 and drive fluid through-hole 25, install to be installed with respectively in the through hole 16 and drive liquid pipeline 26, fluid pipeline 21 and fluid slotted line 22, the upper end of driving liquid pipeline 26 is connected with the top of taper fluid hole 15, the upper end of fluid pipeline 21 is connected with the lower end of taper fluid hole 15, the lower end of driving liquid pipeline 26 is passed to drive fluid through-hole 25 and be positioned at and is driven fluid through-hole 25 outer ends, the lower end of fluid pipeline 21 is passed out fluid through-hole 18 and is positioned at fluid through-hole 18 outer ends, the top and bottom of fluid slotted line 22 are fixedly installed togather with fluid conduction pressure cap 11 and slotted line joint 20 respectively, are set with fluid insulated pipe line 23 on the fluid slotted line 22.Fluid porous silver strip 14 has the characteristic that coupling is good, conductive capability is strong, and, it is convenient that the present invention changes rock core, at fluid conduction pressure cap 11 upper ends fixed installation fluid porous silver strip 14, make that contact resistance is reduced to minimum between rock core 27 and the fluid porous silver strip 14, this design had both guaranteed the accurate measurement of rock core 27 liquid outlet quantity, had guaranteed the measuring accuracy of saturation degree rock core 27 resistivity again.After being placed on rock core 27 in the installation cavity, through the inflation in the air cavity 4 of inflation inlet 3 radially rubber sleeve 2 is expanded, can carry out radial location to the rock core 27 that is placed in the installation cavity, the lower surface of the upper surface of rock core 27 and displacement electrode fits tightly, the upper surface of the lower surface of rock core 27 and fluid porous silver strip 14 fits tightly, apply the setting displacement pressure for the displacement electrode, monitoring rock core 27 liquid outlet quantity and resistivity, after rock core 27 liquid outlet quantity and resistivity are constant, gather liquid outlet quantity and rock core 27 resistivity, increase displacement pressure for the displacement electrode, continue monitoring rock core 27 liquid outlet quantity and resistivity, after rock core 27 liquid outlet quantity and resistivity are constant, gather liquid outlet quantity and rock core 27 resistivity, displacement pressure is increased to rock core 27 no longer till the fluid.
Can according to actual needs the above-mentioned liquid method survey rock core saturation degree resistivity test device that drives be made further optimization and/or improvements:
Embodiment 2, and as the optimization of above-described embodiment, shown in accompanying drawing 1,2, the displacement electrode comprises displacement pressurization joint pin 28, displacement conduction pressure cap 29 and displacement insulation insulated column 30; Displacement pressurization joint pin 28 is installed in the inner chamber of rubber sleeve 2 tops and the formation of confined pressure tube 1 top, the installation concave station 31 that annular is arranged on displacement pressurization joint pin 28 external wall of upper portion, at installation concave station 31 displacement pressurization adapter sleeve 32 is installed, the outer wall of displacement pressurization adapter sleeve 32 and the upper inside wall of upper shell sealing cap 9 are fixedly installed togather, be installed with displacement pressurization fixed cover 33 on the installation concave station 31 of displacement pressurization adapter sleeve 32 tops, there is last mounting groove 34 lower end of displacement pressurization joint pin 28, there is following mounting groove 35 upper end of displacement conduction pressure cap 29, the top and bottom of displacement insulation insulated column 30 be fixedly mounted on respectively in the mounting groove 34 with following mounting groove 35 in, the axially extending bore 36 that connection is arranged in the inside of displacement pressurization joint pin 28 and displacement insulation insulated column 30, displacement pressurization joint pin 28 above displacement pressurization fixed cover 33 has the displacement slotted line joint 37 inside and outside connecting, in the inside of axially extending bore 36 displacement slotted line 38 is installed, be set with displacement insulated pipe line 39 on the displacement slotted line 38, the top and bottom of displacement slotted line 38 are fixedly installed togather with displacement slotted line joint 37 the inners and displacement conduction pressure cap 29 respectively, displacement pressurization joint pin 28 internal fixation above displacement slotted line joint 37 are equipped with the sealing adaptor 41 that there is circular hole 40 at the center, on the displacement conduction pressure cap 29 of corresponding axially extending bore 36 mounting hole 42 is arranged, the displacement pipeline 43 that is communicated with circular hole 40 and mounting hole 42 is installed in axially extending bore 36 inside, there is the displacement connectivity slot that communicates with mounting hole 42 displacement conduction pressure cap 29 lower ends, displacement conduction pressure cap 29 lower ends are installed with porous silver strip 44, form installation cavity between porous silver strip 44 and fluid porous silver strip 14 and the rubber sleeve 2.Displacement pressure goes out liquid in the rock core 27 by displacement pipeline 43, displacement connectivity slot, 44 displacements of porous silver strip, has eliminated rock core 27 and the bad measuring error of bringing of potential electrode coupling.
Embodiment 3, and as the optimization of above-described embodiment, shown in accompanying drawing 2,3, the lower end of fluid pressurization joint pin 13 is installed with jacking gear, and jacking gear comprises lifting connector 45, lifting shaft 46 and lifting tube 47; Lower end at fluid pressurization joint pin 13 is installed with lifting connector 45, the lower end of lifting connector 45 is installed with lifting shaft 46, the lower end of lifting tube 47 and upper end are installed with sealing cap 48 and center under the lifting respectively sealing cap 50 in the lifting of piston hole 49, the bottom of lifting shaft 46 is passed piston hole 49 and is installed in the lifting tube 47, the lower end of lifting shaft 46 is installed with piston head 51 and is arranged in lifting tube 47,51 in piston is separated into top air cavity 52 and bottom air cavity 53 with lifting tube 47 inside, the upper and lower of lifting tube 47 have respectively communicate with top air cavity 52 and bottom air cavity 53 on inflation inlet 54 and following inflation inlet 55, fix the limited block 56 of restricted piston head 51 maximum Top Runbies on lifting tube 47 inwalls between last inflation inlet 54 and the piston head 51.Under some specific operation, can apply coupling pressure to fluid pressurization joint pin 13 by the rising jacking gear, and then increase the coupling pressure between fluid porous silver strip 14 and rock core 27 lower surfaces, after mensuration is finished, decline jacking gear, i.e. conveniently replaced rock core 27.
Embodiment 4, optimization as above-described embodiment, shown in accompanying drawing 1,2, the installation base 57 that annular is arranged on the bottom outer wall of fluid pressurization joint pin 13, fluid pressurization joint pin 13 outer walls above installation base 57 are equipped with fluid pressurization adapter sleeve 58, be installed with fluid pressurization fixed cover 59 on fluid pressurization joint pin 13 outer walls of fluid pressurization adapter sleeve 58 tops, be fixedly installed togather by screw thread between the outer wall of fluid pressurization adapter sleeve 58 and the lower shell sealing cap 10, the lower end of fluid pressurization joint pin 13 is installed with fluid sealing cap 60.Under some specific operation, can apply coupling pressure to fluid pressurization joint pin 13 by fluid being threaded between adapter sleeve 58 and the lower shell sealing cap 10 of pressurizeing, and then the coupling pressure between increase fluid porous silver strip 14 and rock core 27 lower surfaces, after mensuration was finished, screwing out fluid pressurization adapter sleeve 58 was conveniently replaced rock core 27.
Embodiment 5, optimization as above-described embodiment, as shown in Figure 2, be installed with O-ring seal 61 on sealing cap 50 inwalls in the lifting of corresponding piston hole 49, be installed with O-ring seal 61 between sealing cap 50 inwalls in lifting tube 47 upper surfaces and the lifting, be installed with O-ring seal 61 between piston head 51 and lifting tube 47 inwalls, be installed with O-ring seal 61 between sealing cap 48 inwalls under lifting tube 47 lower surfaces and the lifting.O-ring seal 61 can guarantee the sealing in the course of work.
Embodiment 6, optimization as above-described embodiment, as accompanying drawing 1, shown in 2, the outer wall upper edge circumference of upper shell sealing cap 9 is radially distributed with at least two afterburning hole 62, the outer wall upper edge circumference of lower shell sealing cap 10 is radially distributed with at least two afterburning hole 62, the external wall of upper portion of displacement pressurization adapter sleeve 32 and the afterburning hole 62 that the upper edge circumference is radially distributed with at least two, outer wall upper edge, the bottom circumference of fluid pressurization adapter sleeve 58 is radially distributed with at least two afterburning hole 62, fluid insulation insulated column 12 is cruciform, the outer wall upper edge circumference of fluid insulation insulated column 12 is radially distributed with at least two afterburning hole 62, displacement insulation insulated column 30 is cruciform, and the outer wall upper edge circumference of displacement insulation insulated column 30 is radially distributed with at least two afterburning hole 62.Afterburning hole 62 makes things convenient for the application of force of each parts in the installation and removal process.
Embodiment 7, optimization as above-described embodiment, as accompanying drawing 1,2, shown in 3, upper end at confined pressure tube 1 is installed with upper shell sealing cap 9 by screw thread, lower end at confined pressure tube 1 is installed with lower shell sealing cap 10 by screw thread, the lower end of fluid conduction pressure cap 11 is installed with fluid insulation insulated column 12 by screw thread, the lower end of fluid insulation insulated column 12 is installed with fluid pressurization joint pin 13 by screw thread, go out on the fluid pressurization joint pin 13 of wire casing 17 left ends and be installed with fluid sealing adaptor 19 and drive liquid sealing joint 24 by screw thread respectively, the outer wall of displacement pressurization adapter sleeve 32 and the upper inside wall of upper shell sealing cap 9 are fixedly installed togather by screw thread, be installed with displacement pressurization fixed cover 33 by screw thread on the installation concave station 31 of displacement pressurization adapter sleeve 32 tops, the top and bottom of displacement insulation insulated column 30 respectively by screw thread be fixedly mounted in the mounting groove 34 with following mounting groove 35 in, lower end at fluid pressurization joint pin 13 is installed with lifting connector 45 by screw thread, the lower end of lifting connector 45 is installed with lifting shaft 46 by screw thread, and the lower end of lifting tube 47 and upper end are installed with under the lifting sealing cap 50 on the sealing cap 48 and lifting by screw thread respectively.Be threaded and make things convenient for installation and removal.
Embodiment 8, optimization as above-described embodiment, as accompanying drawing 1, shown in 2, upper end at confined pressure tube 1 is installed with upper shell sealing cap 9 by screw thread, lower end at confined pressure tube 1 is installed with lower shell sealing cap 10 by screw thread, the lower end of fluid conduction pressure cap 11 is installed with fluid insulation insulated column 12 by screw thread, the lower end of fluid insulation insulated column 12 is installed with fluid pressurization joint pin 13 by screw thread, go out on the fluid pressurization joint pin 13 of wire casing 17 left ends and be installed with fluid sealing adaptor 19 and drive liquid sealing joint 24 by screw thread respectively, the outer wall of displacement pressurization adapter sleeve 32 and the upper inside wall of upper shell sealing cap 9 are fixedly installed togather by screw thread, be installed with displacement pressurization fixed cover 33 by screw thread on the installation concave station 31 of displacement pressurization adapter sleeve 32 tops, the top and bottom of displacement insulation insulated column 30 respectively by screw thread be fixedly mounted in the mounting groove 34 with following mounting groove 35 in, be installed with fluid pressurization fixed cover 59 by screw thread on fluid pressurization joint pin 13 outer walls, the lower end of fluid pressurization joint pin 13 is installed with fluid sealing cap 60 by screw thread.Be threaded and make things convenient for installation and removal.
Above technical characterictic has constituted embodiments of the invention, and it has stronger adaptability and implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.

Claims (10)

1. one kind is driven liquid method survey rock core saturation degree resistivity test device, it is characterized in that comprising confined pressure tube, displacement electrode, upper shell sealing cap and lower shell sealing cap; The inside of confined pressure tube is equipped with rubber sleeve, the top and bottom of rubber sleeve are fixedly installed togather with the top and bottom of confined pressure tube respectively, form air cavity between rubber sleeve and the confined pressure tube inwall, there is the radially inflation inlet that perforation is inside and outside and communicate with air cavity at the middle part of confined pressure tube, in the inner chamber that the top of rubber sleeve top and confined pressure tube forms, be installed with the displacement electrode, the upper end outer wall of confined pressure tube and the lower inner wall of upper shell sealing cap are fixedly installed togather, the outer wall of the upper inside wall of upper shell sealing cap and displacement electrode is fixedly installed togather, the lower end outer wall of confined pressure tube and the upper inside wall of lower shell sealing cap are fixedly installed togather, fluid conduction pressure cap is installed in the rubber sleeve lower lumen, the lower end of fluid conduction pressure cap is installed with fluid insulation insulated column, the lower end of fluid insulation insulated column is installed with fluid pressurization joint pin, there is the fluid connectivity slot upper end of fluid conduction pressure cap, the upper end of fluid conduction pressure cap is installed with fluid porous silver strip, forms installation cavity between the lower surface of fluid porous silver strip and displacement electrode and the rubber sleeve; There is the up big and down small taper fluid hole that communicates with the fluid connectivity slot at the center of fluid conduction pressure cap, there is the axial installation through hole of connection the inside of the fluid insulation insulated column of corresponding taper fluid hole and the inside of fluid pressurization joint pin, there is the wire casing that goes out that communicates with the installation through hole lower end of fluid pressurization joint pin, the right-hand member that goes out wire casing is installed with the slotted line joint, the left end that goes out wire casing is installed with the fluid sealing adaptor respectively and drives the liquid sealing joint, there is the fluid through-hole of going out the inside of fluid sealing adaptor, drive the inside of liquid sealing joint and drive fluid through-hole, install to be installed with respectively in the through hole and drive the liquid pipeline, fluid pipeline and fluid slotted line, the upper end of driving the liquid pipeline is connected with the top of taper fluid hole, the upper end of fluid pipeline is connected with the lower end of taper fluid hole, the lower end of driving the liquid pipeline is passed to drive fluid through-hole and be positioned at and is driven the fluid through-hole outer end, the lower end of fluid pipeline is passed out fluid through-hole and is positioned at the fluid through-hole outer end, and the top and bottom of fluid slotted line are fixedly installed togather with fluid conduction pressure cap and slotted line joint respectively.
2. the liquid method of driving according to claim 1 is surveyed rock core saturation degree resistivity test device, it is characterized in that the displacement electrode comprises displacement pressurization joint pin, displacement conduction pressure cap and displacement insulation insulated column; Displacement pressurization joint pin is installed in the inner chamber of rubber sleeve top and the formation of confined pressure tube top, the installation concave station that annular is arranged on the displacement pressurization joint pin external wall of upper portion, at the installation concave station displacement pressurization adapter sleeve is installed, the outer wall of displacement pressurization adapter sleeve and the upper inside wall of upper shell sealing cap are fixedly installed togather, be installed with displacement pressurization fixed cover on the installation concave station of displacement pressurization adapter sleeve top, there is last mounting groove the lower end of displacement pressurization joint pin, there is following mounting groove the upper end of displacement conduction pressure cap, the top and bottom of displacement insulation insulated column be fixedly mounted on respectively in the mounting groove with following mounting groove in, the axially extending bore that connection is arranged in the inside of displacement pressurization joint pin and displacement insulation insulated column, displacement pressurization joint pin above displacement pressurization fixed cover has the displacement slotted line joint inside and outside connecting, in the inside of axially extending bore the displacement slotted line is installed, be set with the displacement insulated pipe line on the displacement slotted line, the top and bottom of displacement slotted line are fixedly installed togather with displacement slotted line joint the inner and displacement conduction pressure cap respectively, displacement pressurization joint pin internal fixation above displacement slotted line joint is equipped with the round-meshed sealing adaptor in center, on the displacement conduction pressure cap of corresponding axially extending bore mounting hole is arranged, the displacement pipeline that is communicated with circular hole and mounting hole is installed in axially extending bore inside, there is the displacement connectivity slot that communicates with mounting hole displacement conduction pressure cap lower end, displacement conduction pressure cap lower end is installed with the porous silver strip, forms installation cavity between porous silver strip and fluid porous silver strip and the rubber sleeve.
3. the liquid method of driving according to claim 1 and 2 is surveyed rock core saturation degree resistivity test device, it is characterized in that the lower end of fluid pressurization joint pin is installed with jacking gear, and jacking gear comprises lifting connector, lifting shaft and lifting tube; Lower end at fluid pressurization joint pin is installed with the lifting connector, the lower end of lifting connector is installed with lifting shaft, the lower end of lifting tube and upper end are installed with sealing cap and center under the lifting respectively sealing cap in the lifting of piston hole, the bottom of lifting shaft is passed piston hole and is installed in the lifting tube, the lower end of lifting shaft is installed with piston head and is arranged in lifting tube, piston head is separated into top air cavity and bottom air cavity with lifting tube inside, the upper and lower of lifting tube have respectively communicate with top air cavity and bottom air cavity on inflation inlet and following inflation inlet, fix the limited block of restricted piston head maximum Top Runby on the lifting tube inwall between last inflation inlet and the piston head.
4. the liquid method of driving according to claim 1 and 2 is surveyed rock core saturation degree resistivity test device, it is characterized in that having on the bottom outer wall of fluid pressurization joint pin the installation base of annular, fluid pressurization joint pin outer wall above installation base is equipped with fluid pressurization adapter sleeve, be installed with fluid pressurization fixed cover on the fluid pressurization joint pin outer wall of fluid pressurization adapter sleeve top, be fixedly installed togather by screw thread between the outer wall of fluid pressurization adapter sleeve and the lower shell sealing cap, the lower end of fluid pressurization joint pin is installed with the fluid sealing cap.
5. the liquid method of driving according to claim 3 is surveyed rock core saturation degree resistivity test device, it is characterized in that being installed with O-ring seal on the sealing cap inwall in the lifting of corresponding piston hole, be installed with O-ring seal between the sealing cap inwall in lifting tube upper surface and the lifting, be installed with O-ring seal between piston head and the lifting tube inwall, be installed with O-ring seal between the sealing cap inwall under lifting tube lower surface and the lifting.
6. the liquid method of driving according to claim 4 is surveyed rock core saturation degree resistivity test device, it is characterized in that the outer wall upper edge circumference of upper shell sealing cap is radially distributed with at least two afterburning hole, the outer wall upper edge circumference of lower shell sealing cap is radially distributed with at least two afterburning hole, the external wall of upper portion of displacement pressurization adapter sleeve and the afterburning hole that the upper edge circumference is radially distributed with at least two, outer wall upper edge, the bottom circumference of fluid pressurization adapter sleeve is radially distributed with at least two afterburning hole, fluid insulation insulated column is cruciform, the outer wall upper edge circumference of fluid insulation insulated column is radially distributed with at least two afterburning hole, displacement insulation insulated column is cruciform, and the outer wall upper edge circumference of displacement insulation insulated column is radially distributed with at least two afterburning hole.
7. the liquid method of driving according to claim 3 is surveyed rock core saturation degree resistivity test device, it is characterized in that being installed with the upper shell sealing cap in the upper end of confined pressure tube by screw thread, lower end at the confined pressure tube is installed with the lower shell sealing cap by screw thread, the lower end of fluid conduction pressure cap is installed with fluid insulation insulated column by screw thread, the lower end of fluid insulation insulated column is installed with fluid pressurization joint pin by screw thread, go out on the fluid pressurization joint pin of wire casing left end and be installed with the fluid sealing adaptor and drive the liquid sealing joint by screw thread respectively, the outer wall of displacement pressurization adapter sleeve and the upper inside wall of upper shell sealing cap are fixedly installed togather by screw thread, be installed with displacement pressurization fixed cover by screw thread on the installation concave station of displacement pressurization adapter sleeve top, the top and bottom of displacement insulation insulated column respectively by screw thread be fixedly mounted in the mounting groove with following mounting groove in, lower end at fluid pressurization joint pin is installed with the lifting connector by screw thread, the lower end of lifting connector is installed with lifting shaft by screw thread, and the lower end of lifting tube and upper end are installed with under the lifting sealing cap on the sealing cap and lifting by screw thread respectively.
8. the liquid method of driving according to claim 5 is surveyed rock core saturation degree resistivity test device, it is characterized in that being installed with the upper shell sealing cap in the upper end of confined pressure tube by screw thread, lower end at the confined pressure tube is installed with the lower shell sealing cap by screw thread, the lower end of fluid conduction pressure cap is installed with fluid insulation insulated column by screw thread, the lower end of fluid insulation insulated column is installed with fluid pressurization joint pin by screw thread, go out on the fluid pressurization joint pin of wire casing left end and be installed with the fluid sealing adaptor and drive the liquid sealing joint by screw thread respectively, the outer wall of displacement pressurization adapter sleeve and the upper inside wall of upper shell sealing cap are fixedly installed togather by screw thread, be installed with displacement pressurization fixed cover by screw thread on the installation concave station of displacement pressurization adapter sleeve top, the top and bottom of displacement insulation insulated column respectively by screw thread be fixedly mounted in the mounting groove with following mounting groove in, lower end at fluid pressurization joint pin is installed with the lifting connector by screw thread, the lower end of lifting connector is installed with lifting shaft by screw thread, and the lower end of lifting tube and upper end are installed with under the lifting sealing cap on the sealing cap and lifting by screw thread respectively.
9. the liquid method of driving according to claim 4 is surveyed rock core saturation degree resistivity test device, it is characterized in that being installed with the upper shell sealing cap in the upper end of confined pressure tube by screw thread, lower end at the confined pressure tube is installed with the lower shell sealing cap by screw thread, the lower end of fluid conduction pressure cap is installed with fluid insulation insulated column by screw thread, the lower end of fluid insulation insulated column is installed with fluid pressurization joint pin by screw thread, going out on the fluid pressurization joint pin of wire casing left end respectively, the copper pipe screw thread is installed with the fluid sealing adaptor and drives the liquid sealing joint, the outer wall of displacement pressurization adapter sleeve and the upper inside wall of upper shell sealing cap are fixedly installed togather by screw thread, be installed with displacement pressurization fixed cover by screw thread on the installation concave station of displacement pressurization adapter sleeve top, the top and bottom of displacement insulation insulated column respectively by screw thread be fixedly mounted in the mounting groove with following mounting groove in, be installed with fluid pressurization fixed cover by screw thread on the fluid pressurization joint pin outer wall, the lower end of fluid pressurization joint pin is installed with the fluid sealing cap by screw thread.
10. the liquid method of driving according to claim 6 is surveyed rock core saturation degree resistivity test device, it is characterized in that being installed with the upper shell sealing cap in the upper end of confined pressure tube by screw thread, lower end at the confined pressure tube is installed with the lower shell sealing cap by screw thread, the lower end of fluid conduction pressure cap is installed with fluid insulation insulated column by screw thread, the lower end of fluid insulation insulated column is installed with fluid pressurization joint pin by screw thread, going out on the fluid pressurization joint pin of wire casing left end respectively, the copper pipe screw thread is installed with the fluid sealing adaptor and drives the liquid sealing joint, the outer wall of displacement pressurization adapter sleeve and the upper inside wall of upper shell sealing cap are fixedly installed togather by screw thread, be installed with displacement pressurization fixed cover by screw thread on the installation concave station of displacement pressurization adapter sleeve top, the top and bottom of displacement insulation insulated column respectively by screw thread be fixedly mounted in the mounting groove with following mounting groove in, be installed with fluid pressurization fixed cover by screw thread on the fluid pressurization joint pin outer wall, the lower end of fluid pressurization joint pin is installed with the fluid sealing cap by screw thread.
CN201310212579.3A 2013-05-31 2013-05-31 Drive liquid method and survey rock core saturation degree resistivity test device Expired - Fee Related CN103293381B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310212579.3A CN103293381B (en) 2013-05-31 2013-05-31 Drive liquid method and survey rock core saturation degree resistivity test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310212579.3A CN103293381B (en) 2013-05-31 2013-05-31 Drive liquid method and survey rock core saturation degree resistivity test device

Publications (2)

Publication Number Publication Date
CN103293381A true CN103293381A (en) 2013-09-11
CN103293381B CN103293381B (en) 2015-09-23

Family

ID=49094595

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310212579.3A Expired - Fee Related CN103293381B (en) 2013-05-31 2013-05-31 Drive liquid method and survey rock core saturation degree resistivity test device

Country Status (1)

Country Link
CN (1) CN103293381B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105772639A (en) * 2016-04-13 2016-07-20 长兴睿鸿耐火材料有限公司 Pouring gate pottery pipe and combination of pouring gate pottery pipes
US11415721B2 (en) 2018-06-05 2022-08-16 Petrochina Company Limited Resistivity measurement method, device and system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2872359Y (en) * 2006-03-06 2007-02-21 赵江青 Array semi-penetrating dummy hollow-billet pressure-resistance combined inspector
CN202256406U (en) * 2011-10-26 2012-05-30 中国石油集团西部钻探工程有限公司 Full-diameter rock core resistivity clamp
CN102520247A (en) * 2011-10-26 2012-06-27 中国石油集团西部钻探工程有限公司 Slurry resistivity measuring device
CN102519661A (en) * 2011-10-26 2012-06-27 中国石油集团西部钻探工程有限公司 Rock core centrifuge capillary pressure resistivity league measurement device
EP2527835A2 (en) * 2011-05-24 2012-11-28 Sondex Limited Method and Apparatus for Measuring Borehole Mud Resistivity
WO2013058426A1 (en) * 2011-10-17 2013-04-25 한국지질자원연구원 Apparatus for measuring the relative permeability of a core having a saturation measuring unit, and method for measuring the relative permeability of the core using the apparatus
CN202948063U (en) * 2012-11-12 2013-05-22 中国石油集团西部钻探工程有限公司 Sealing type core resistivity measuring clamp

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2872359Y (en) * 2006-03-06 2007-02-21 赵江青 Array semi-penetrating dummy hollow-billet pressure-resistance combined inspector
EP2527835A2 (en) * 2011-05-24 2012-11-28 Sondex Limited Method and Apparatus for Measuring Borehole Mud Resistivity
WO2013058426A1 (en) * 2011-10-17 2013-04-25 한국지질자원연구원 Apparatus for measuring the relative permeability of a core having a saturation measuring unit, and method for measuring the relative permeability of the core using the apparatus
CN202256406U (en) * 2011-10-26 2012-05-30 中国石油集团西部钻探工程有限公司 Full-diameter rock core resistivity clamp
CN102520247A (en) * 2011-10-26 2012-06-27 中国石油集团西部钻探工程有限公司 Slurry resistivity measuring device
CN102519661A (en) * 2011-10-26 2012-06-27 中国石油集团西部钻探工程有限公司 Rock core centrifuge capillary pressure resistivity league measurement device
CN202948063U (en) * 2012-11-12 2013-05-22 中国石油集团西部钻探工程有限公司 Sealing type core resistivity measuring clamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105772639A (en) * 2016-04-13 2016-07-20 长兴睿鸿耐火材料有限公司 Pouring gate pottery pipe and combination of pouring gate pottery pipes
US11415721B2 (en) 2018-06-05 2022-08-16 Petrochina Company Limited Resistivity measurement method, device and system

Also Published As

Publication number Publication date
CN103293381B (en) 2015-09-23

Similar Documents

Publication Publication Date Title
CN103454030B (en) Sucker rod mechanical parameter measurement device
CN103293086A (en) Semipermeable partition plate core saturation specific resistance measuring device
CN103293381A (en) Core saturation and resistivity measuring device by the aid of fluid displacing method
CN106150482B (en) Device for measuring and sampling fluid pressure in exploration stratum
CN210768630U (en) Conductive drill rod joint for downhole automation tool
CN103293192B (en) Displacement electrode
CN208587156U (en) A kind of pressure measurement short circuit
CN201193520Y (en) Double-measure press-guiding device under well of electric pump
CN203223217U (en) Bit pressure testing connector
CN204511427U (en) Pressure and flow measurement device in a kind of Novel down-hole drilling tool
CN103293382B (en) Drive liquid fluid electrode
CN204177525U (en) A kind of radial pressure for underground quantity production mandrel demarcates dress
CN203547717U (en) Composite electromagnetic wave transmission drilling-following measuring cross rotary short joint
CN202382819U (en) High-viscosity top-mounted magnetic coupling liquid level meter
CN104568297A (en) Tool for testing gas pressure in crankcase
CN205297554U (en) Sensor and circuit board fixing device of pressure gauge
CN203008894U (en) Cable-free layered test instrument for injection-production profile of oil-water well
CN201126371Y (en) Side-installed integration type guided wave radar level transmitter
CN204359484U (en) Bent axle loading pressure test fixture
CN215218648U (en) Withstand voltage formula capacitive sensor
CN205691424U (en) The anti-outer crowded assay device of a kind of sleeve pipe
CN103344677B (en) Semi-permeable plate fluid electrode
CN203680144U (en) Mechanical seal positioning tool for pump shaft of water pump
CN202047859U (en) Integral hole packer for drainage and pressure measurement of gas
CN207407962U (en) A kind of fuel tank for automobile liquid level sensor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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: 20150923

Termination date: 20180531