CN105756664A - Coiled tubing horizontal well testing device - Google Patents
Coiled tubing horizontal well testing device Download PDFInfo
- Publication number
- CN105756664A CN105756664A CN201610249171.7A CN201610249171A CN105756664A CN 105756664 A CN105756664 A CN 105756664A CN 201610249171 A CN201610249171 A CN 201610249171A CN 105756664 A CN105756664 A CN 105756664A
- Authority
- CN
- China
- Prior art keywords
- outside
- pillar
- fixedly installed
- joint
- sealing ring
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Abstract
The invention relates to the technical field of testing devices, and provides a coiled tubing horizontal well testing device. The device comprises a ground signal receiving device, coiled tubing, a flexible pup joint, a telemetry pup joint, a tension pup joint, a releasing tool and a testing device; the flexible pup joint, the telemetry pup joint, the tension pup joint, the releasing tool and the testing device are fixedly installed together in sequence from left to right. The coiled tubing horizontal well testing device is reasonable and compact in structure and convenient to use; due to the fact that the ground signal receiving device, the coiled tubing, the flexible pup joint, the telemetry pup joint, the tension pup joint, the releasing tool and the testing device are used together, a horizontal well casing test, a horizontal well segmented fluid production test and a formation pressure recovery test are achieved, test data is transmitted to the ground in real time, real and accurate dynamic monitoring data is provided for oil field horizontal well development, the device has the advantages of being safe and reliable, operation is convenient, the working efficiency is improved, and the device is applied to oil well horizontal section tests.
Description
Technical field
The present invention relates to test device technique field, be a kind of coiled tubing horizontal well test device.
Background technology
Horizontal wells technology develops rapidly in recent years in the world, has been applied to almost all kinds of oil-gas reservoir, and along with the quantity of the increasingly mature horizontal well of every technology increases year by year, horizontal well measuring technology is the important supporting technology of horizontal well development.Conventional cable Well Test Technology has been not applied for the test of oil well horizontal section.
Summary of the invention
The invention provides a kind of coiled tubing horizontal well test device, overcome the deficiency of above-mentioned prior art, the problem that its cable Well Test Technology that can effectively solve routine has been not applied for the test of oil well horizontal section.
The technical scheme is that and realized by following measures: a kind of coiled tubing horizontal well test device, including ground signal receiving device, coiled tubing, flexible nipple, remote measurement pipe nipple, tension nipple, releasing tool and test device；Flexible nipple, remote measurement pipe nipple, tension nipple, releasing tool and test device are fixedly installed togather from left to right successively, coiled tubing and flexible nipple are fixedly installed togather by end, the signal output part of test device and the signal output part of tension nipple are electrically connected by cable with the signal input part of remote measurement pipe nipple respectively, and the signal output part of remote measurement pipe nipple and the signal input part of ground signal receiving device are electrically connected by end and cable.
Further optimization and/or improvements to foregoing invention technical scheme are presented herein below:
Above-mentioned ground signal receiving device includes host computer and ground numerical control case；The signal output part of remote measurement pipe nipple and the signal input part of ground numerical control case are electrically connected by end and cable, and the signal output part of ground numerical control case and the signal input part of host computer are electrically connected by cable.
Above-mentioned test device is casing pipe testing device；Casing pipe testing device includes the first centralizer, 24 arm calipers and the second centralizer；First centralizer, 24 arm calipers and the second centralizer are fixedly installed togather from left to right successively, and the first centralizer and releasing tool are fixedly installed togather.
Above-mentioned test device is production fluid test device；Production fluid test device includes screen casing, the first packer, coiled tubing horizontal well multiparameter output seating nipple and the second packer；Screen casing, the first packer, coiled tubing horizontal well multiparameter output seating nipple and the second packer are fixedly installed togather from left to right successively, screen casing and releasing tool are fixedly installed togather, and the signal output part of coiled tubing horizontal well multiparameter output seating nipple and the signal input part of remote measurement pipe nipple are electrically connected by cable.
Above-mentioned coiled tubing horizontal well multiparameter output seating nipple includes the left joint being fixedly installed togather successively from left to right, left outside pillar, transition joint, right outer pillar and right connecting device；nullValve seat is had in left outside pillar，It is fixedly installed togather outside the left part of valve seat and inside the right part of left joint，Left end at valve seat is installed with check valve，Tubular protection device is had in left outside pillar，Left end in transition joint is installed with connecting short section，Left end and the valve seat of tubular protection device are fixedly installed togather，Right-hand member and the connecting short section of tubular protection device are fixedly installed togather，Left joint、Valve seat、Left outside pillar、Tubular protection device、The first sealing ring cavity is formed between connecting short section and transition joint，The cavity left part protecting device at tubular has containing water sensor，The cavity right part protecting device at tubular is installed with pedestal，Right part at pedestal has mounting groove，The mounting groove of pedestal is installed with flow transducer，Left end and valve seat containing water sensor are fixedly installed togather，It is provided with in valve seat and check valve and the first flowing hole of being connected containing water sensor，Right-hand member and pedestal containing water sensor are fixedly installed togather，The second flowing hole being connected with containing water sensor and flow transducer it is provided with in pedestal，Flow transducer is connected with the cavity of connecting short section and the cavity of transition joint，In the cavity of transition joint, fixing seal is provided with the middle part big left part of external diameter and the little piston cylinder of right part external diameter，Left end at piston cylinder is fixed with plug，The middle part of piston cylinder and corresponding transition joint are respectively arranged with the inlet opening connected，Left part at piston cylinder is provided with the liquid outlet that the cavity with transition joint is connected，Piston rod is had in piston cylinder，Left part and right part at piston rod are respectively fixed with piston，Piston bush is contained in piston cylinder，It is installed with driving device between transition joint and right connecting device，Piston rod is fixed together by the clutch end of screw mandrel and driving device.
Above-mentioned tubular protection device includes the first connecting cylinder, the second connecting cylinder, moisture pillar, the 3rd connecting cylinder and flow pillar；It is fixedly installed togather inside the left part of the first connecting cylinder and outside the right-hand member of valve seat, it is fixedly installed togather inside the right part of the first connecting cylinder and outside the left part of the second connecting cylinder, it is fixedly installed togather outside the right part of the second connecting cylinder and inside the left end of moisture pillar, it is fixedly installed togather inside the right-hand member of moisture pillar and outside the left part of the 3rd connecting cylinder, it is fixedly installed togather outside the right part of the 3rd connecting cylinder and inside the left end of flow pillar, it is fixedly installed togather inside the right-hand member of flow pillar and outside the left part of connecting short section, it is fixedly installed togather outside the right part of connecting short section and inside the left end of transition joint.
The above-mentioned left end at valve seat is provided with left mounting groove, and the right part of check valve is fixedly mounted in the left mounting groove of valve seat, and the right part at valve seat is provided with right mounting groove, and the left end containing water sensor is fixedly mounted in the right mounting groove of valve seat；Or/and, right connecting device includes connector, adapter sleeve and right connector, it is fixedly installed togather outside the right part of connector and inside the left part of adapter sleeve, it is fixedly installed togather inside the right-hand member of pillar outside outside the left part of adapter sleeve and the right side, it is fixedly installed togather inside the right part of adapter sleeve and outside the left part of right connector, it is fixedly installed togather outside the left end of driving device and inside the right-hand member of transition joint, the upper left end face of connector is provided with left mounting groove, the right-hand member of driving device is fixedly mounted in the left mounting groove of connector, the upper right end face of connector is provided with step trough, the step trough of connector is installed with wire-passing tube, right part at wire-passing tube is installed with right cable connector, the right cable-through hole that the cavity of the left mounting groove with connector and wire-passing tube is connected it is provided with in the middle part of connector.
It is fixedly installed togather outside the right part of above-mentioned left joint and inside the left end of left outside pillar, it is fixedly installed togather inside the right-hand member of left outside pillar and outside the left end of transition joint, it is fixedly installed togather inside the left end of pillar outside outside the right-hand member of transition joint and the right side, is fixedly installed togather inside the right-hand member of right outer pillar and outside the left part of right connecting device；The left side, bottom of left joint is provided with left mounting groove, the lower right end face of left joint is provided with right mounting groove, the left cable-through hole being connected with left mounting groove and right mounting groove it is provided with in the bottom of left joint, the left mounting groove of left joint is installed with left cable connector, the right mounting groove of left joint is installed with connection cover for seat, the left side, bottom of transition joint is provided with mounting groove, circuit protection pipe is had at the first sealing ring intracavity, it is fixedly installed togather inside the left end of circuit protection pipe and outside the right part of connection cover for seat, the right-hand member of circuit protection pipe is fixedly mounted in the mounting groove of transition joint, power module it is installed with respectively in circuit protection pipe, circuit board, interior pressure sensor and temperature sensor, the opening being connected with the first left part cavity sealing ring cavity and left joint it is provided with in left joint；Transition joint, right outer pillar, formation the second sealing ring cavity between driving device and connector, axially disposed in the bottom of connector have the middle cable-through hole being connected with the first sealing ring cavity, right-hand member at the cable-through hole of transition joint was installed with line plug, arranged outside in transition joint has the outer mounting groove being connected with middle cable-through hole, is installed with external pressure transducer outside in mounting groove；Axially disposed in the bottom of transition joint have at least one to seal, with the first sealing ring cavity and second, the flowing hole that ring cavity is connected；Formed stream ring cavity between wire-passing tube and right cable connector and right connector, and be provided with in the bottom of connector and seal ring cavity with second and cross the flow channels that stream ring cavity is connected.
Above-mentioned Power Drive Unit is motor；Or/and, between the left part and the left end of left outside pillar of left joint, it is installed with sliding sleeve；Or/and, the middle part arranged outside in transition joint has annular groove, is installed with cutting seam sieve tube in annular groove；nullOr/and，Between sliding sleeve and left outside pillar, sealing ring is installed，Between left outside pillar and transition joint, sealing ring is installed，Outside transition joint and the right side, between pillar, sealing ring is installed，Sealing ring is installed between pillar and adapter sleeve outside the right side，Between left cable connector and left joint, sealing ring is installed，Sealing ring is installed between check valve and valve seat，Between the first connecting cylinder and valve seat, sealing ring is installed，Between the first connecting cylinder and the second connecting cylinder, sealing ring is installed，Between the second connecting cylinder and moisture pillar, sealing ring is installed，Between moisture pillar and the 3rd connecting cylinder, sealing ring is installed，Between the 3rd connecting cylinder and flow pillar, sealing ring is installed，Between flow pillar and connecting short section, sealing ring is installed，Sealing ring is installed between connecting short section and transition joint，Sealing ring is installed between Power Drive Unit and connector.
Above-mentioned it is electrically connected by left cable connector and cable containing the signal output part of water sensor, flow transducer, interior pressure sensor, temperature sensor and external pressure transducer and the signal input part of remote measurement pipe nipple.
Present configuration is reasonable and compact, easy to use, by ground signal receiving device, coiled tubing, flexible nipple, remote measurement pipe nipple, tension nipple, releasing tool and test device with the use of, realize horizontal well casing pipe detection, the test of horizontal well in segments production fluid and stratum and recover the purpose of stress test, in real time detection data are transferred to ground, dynamic monitoring information really and accurately is provided for oilfield horizontal well exploitation, there is safe and reliable feature, facilitate operation, improve work efficiency, it is adaptable to the test of oil well horizontal section.
Accompanying drawing explanation
Accompanying drawing 1 is the installation diagram of the present invention.
Accompanying drawing 2 is test the master that device is casing pipe testing device in the present invention to look structure for amplifying schematic diagram.
Accompanying drawing 3 is test the master that device is production fluid test device in the present invention to look structure for amplifying schematic diagram.
Accompanying drawing 4 is that in the present invention, the master of coiled tubing horizontal well multiparameter output seating nipple looks section view structure for amplifying schematic diagram.
Accompanying drawing 5 be in accompanying drawing 4 A-A to sectional structure schematic diagram.
Accompanying drawing 6 is that in the present invention, the master of coiled tubing horizontal well multiparameter output seating nipple left-half looks section view structure for amplifying schematic diagram.
Accompanying drawing 7 is that in the present invention, the master of coiled tubing horizontal well multiparameter output seating nipple right half part looks section view structure for amplifying schematic diagram.
Accompanying drawing 8 is the structure for amplifying schematic diagram at A place in accompanying drawing 6.
nullCoding in accompanying drawing is respectively as follows: 1 for left joint，2 is left outside pillar，3 is transition joint，4 is right outer pillar，5 is valve seat，6 is check valve，7 is connecting short section，8 is the first sealing ring cavity，9 is containing water sensor，10 is pedestal，11 is flow transducer，12 is the first flowing hole，13 is the second flowing hole，14 is piston cylinder，15 is plug，16 is inlet opening，17 is liquid outlet，18 is piston rod，19 is piston，20 is driving device，21 is the first connecting cylinder，22 is the second connecting cylinder，23 is moisture pillar，24 is the 3rd connecting cylinder，25 is flow pillar，26 is connector，27 is adapter sleeve，28 is right connector，29 is wire-passing tube，30 is right cable connector，31 is right cable-through hole，32 is left cable-through hole，33 is left cable connector，34 for connecting cover for seat，35 is circuit protection pipe，36 is power module，37 is circuit board，38 is interior pressure sensor，39 is temperature sensor，40 is the second sealing ring cavity，41 is middle cable-through hole，42 was line plug，43 is external pressure transducer，44 is the 3rd flowing hole，45 was stream ring cavity，46 is flow channels，47 is sliding sleeve，48 is cutting seam sieve tube，49 is coiled tubing，50 is flexible nipple，51 is remote measurement pipe nipple，52 is tension nipple，53 is releasing tool，54 is test device，55 is end，56 is cable，57 is host computer，58 is ground numerical control case，59 is the first centralizer，60 is 24 arm calipers,61 is the second centralizer，62 is screen casing，63 is the first packer，64 is the second packer，65 is coiled tubing horizontal well multiparameter output seating nipple.
Detailed description of the invention
The present invention, not by the restriction of following embodiment, can determine specific embodiment according to technical scheme and practical situation.
In the present invention, for the ease of describing, the Butut mode that the description of the relative position relation of each parts is all according to Figure of description 1 is described, as: the position relationship of forward and backward, upper and lower, left and right etc. is based on what the Butut direction of Figure of description 1 was determined.
Below in conjunction with embodiment and accompanying drawing, the invention will be further described:
As shown in Figure 1, this coiled tubing horizontal well test device includes ground signal receiving device, coiled tubing 49, flexible nipple 50, remote measurement pipe nipple 51, tension nipple 52, releasing tool 53 and test device 54；Flexible nipple 50, remote measurement pipe nipple 51, tension nipple 52, releasing tool 53 and test device 54 are fixedly installed togather from left to right successively, coiled tubing 49 and flexible nipple 50 are fixedly installed togather by end 55, the signal output part of test device 54 and the signal output part of tension nipple 52 are electrically connected by cable 56 with the signal input part of remote measurement pipe nipple 51 respectively, and the signal output part of remote measurement pipe nipple 51 and the signal input part of ground signal receiving device are electrically connected by end 55 and cable 56.Flexible nipple 50, remote measurement pipe nipple 51, tension nipple 52 and releasing tool 53 are public；So, flexible nipple 50 angle of bend is maximum up to 8 °, the releasable coiled tubing 49 longitudinal force to lower extension instrument string；Remote measurement pipe nipple 51 can be used to control the multiple instrument communication in down-hole, and the Data Integration of the multiple instruments connected, is sent to ground signal receiving device by digitally coded mode；Tension nipple 52 can realize the measurement of thrust that depth of falling well and coiled tubing 49 act on instrument string and pulling force.Sealing-plug device can be put, it is ensured that after giving up, well liquid will not enter upper and lower instrument internal in releasing tool 53.So, by ground signal receiving device, coiled tubing 49, flexible nipple 50, remote measurement pipe nipple 51, tension nipple 52, releasing tool 53 and test device 54, it is capable of horizontal well casing pipe detection, the test of horizontal well in segments production fluid and stratum and recovers the purpose of stress test, in real time detection data are transferred to ground, dynamic monitoring information really and accurately is provided for oilfield horizontal well exploitation, there is safe and reliable feature, facilitate operation, improve work efficiency, it is adaptable to the test of oil well horizontal section.
According to actual needs, above-mentioned coiled tubing horizontal well can be tested device and makes further optimization and/or improvements:
As required, ground signal receiving device includes host computer 57 and ground numerical control case 58；The signal output part of remote measurement pipe nipple 51 and the signal input part of ground numerical control case 58 are electrically connected by end 55 and cable 56, and the signal output part of ground numerical control case 58 and the signal input part of host computer 57 are electrically connected by cable 56.Host computer 57 and ground numerical control case 58 are public；So, it is simple to realize detection in real time.
As shown in accompanying drawing 1,2, test device 54 is casing pipe testing device；Casing pipe testing device includes the first centralizer 59,24 arm caliper 60 and the second centralizer 61；First centralizer 59,24 arm caliper 60 and the second centralizer 61 are fixedly installed togather from left to right successively, and the first centralizer 59 and releasing tool 53 are fixedly installed togather.First centralizer 59,24 arm caliper 60 and the second centralizer 61 are public；So, it is simple to sleeve pipe is tested.
As shown in accompanying drawing 1,3, test device 54 tests device for production fluid；Production fluid test device includes screen casing the 62, first packer 63, coiled tubing horizontal well multiparameter output seating nipple 65 and the second packer 64；Screen casing the 62, first packer 63, coiled tubing horizontal well multiparameter output seating nipple 65 and the second packer 64 are fixedly installed togather from left to right successively, screen casing 62 and releasing tool 53 are fixedly installed togather, and the signal output part of coiled tubing horizontal well multiparameter output seating nipple 65 is electrically connected by cable 56 with the signal input part of remote measurement pipe nipple 51.Screen casing the 62, first packer 63 and the second packer 64 are public；So, it is simple to production fluid is tested.
As shown in accompanying drawing 4,5,6,7,8, coiled tubing horizontal well multiparameter output seating nipple 65 includes the left joint 1, left outside pillar 2, transition joint 3, right outer pillar 4 and the right connecting device that are fixedly installed togather successively from left to right；nullValve seat 5 is had in left outside pillar 2，It is fixedly installed togather outside the left part of valve seat 5 and inside the right part of left joint 1，Left end at valve seat 5 is installed with check valve 6，Tubular protection device is had in left outside pillar 2，Left end in transition joint 3 is installed with connecting short section 7，Left end and the valve seat 5 of tubular protection device are fixedly installed togather，Right-hand member and the connecting short section 7 of tubular protection device are fixedly installed togather，Left joint 1、Valve seat 5、Left outside pillar 2、Tubular protection device、The first sealing ring cavity 8 is formed between connecting short section 7 and transition joint 3，The cavity left part protecting device at tubular has containing water sensor 9，The cavity right part protecting device at tubular is installed with pedestal 10，Right part at pedestal 10 has mounting groove，The mounting groove of pedestal 10 is installed with flow transducer 11，Left end and valve seat 5 containing water sensor 9 are fixedly installed togather，It is provided with in valve seat 5 and check valve 6 and the first flowing hole 12 of being connected containing water sensor 9，Right-hand member and pedestal 10 containing water sensor 9 are fixedly installed togather，The second flowing hole 13 being connected with containing water sensor 9 and flow transducer 11 it is provided with in pedestal 10，Flow transducer 11 is connected with the cavity of connecting short section 7 and the cavity of transition joint 3，In the cavity of transition joint 3, fixing seal is provided with the middle part big left part of external diameter and the little piston cylinder 14 of right part external diameter，Left end at piston cylinder 14 is fixed with plug 15，The middle part of piston cylinder 14 and corresponding transition joint 3 are respectively arranged with the inlet opening 16 connected，Left part at piston cylinder 14 is provided with the liquid outlet 17 that the cavity with transition joint 3 is connected，Piston rod 18 is had in piston cylinder 14，Left part and right part at piston rod 18 are respectively fixed with piston 19，Piston 19 is sleeved in piston cylinder 14，Driving device 20 it is installed with between transition joint 3 and right connecting device，Piston rod 18 is fixed together by the clutch end of screw mandrel and driving device 20.It is public containing water sensor 9 and flow transducer 11；So, by left joint 1, left outside pillar 2, transition joint 3, right outer pillar 4, right connecting device, containing water sensor 9, flow transducer 11 etc., can flow and moisture test data in detection level well in real time, there is safe and reliable feature, facilitate operation, improve work efficiency, it is adaptable to the test of oil well horizontal section.
As shown in accompanying drawing 4,6,7,8, tubular protection device includes first connecting cylinder the 21, second connecting cylinder 22, moisture pillar the 23, the 3rd connecting cylinder 24 and flow pillar 25；It is fixedly installed togather inside the left part of the first connecting cylinder 21 and outside the right-hand member of valve seat 5, it is fixedly installed togather inside the right part of the first connecting cylinder 21 and outside the left part of the second connecting cylinder 22, it is fixedly installed togather outside the right part of the second connecting cylinder 22 and inside the left end of moisture pillar 23, it is fixedly installed togather inside the right-hand member of moisture pillar 23 and outside the left part of the 3rd connecting cylinder 24, it is fixedly installed togather outside the right part of the 3rd connecting cylinder 24 and inside the left end of flow pillar 25, it is fixedly installed togather inside the right-hand member of flow pillar 25 and outside the left part of connecting short section 7, it is fixedly installed togather outside the right part of connecting short section 7 and inside the left end of transition joint 3.So, first connecting cylinder the 21, second connecting cylinder 22, moisture pillar the 23, the 3rd connecting cylinder 24 and flow pillar 25 are easy to protection containing water sensor 9 and flow transducer 11；Make this layer fluid enter in piston cylinder 14 by the inlet opening 16 of transition joint 3 and piston cylinder 14 simultaneously, starting driving device 20 makes the piston rod 18 in piston cylinder 14 drive piston 19 side-to-side movement, thus opening or closing the liquid outlet 17 of piston cylinder 14 left part, this layer fluid enters in the left part cavity of transition joint 3, pass sequentially through flow transducer 11, containing water sensor 9 and check valve 6, left part cavity finally by left joint 1 flows out, thus the convenient flow detecting this layer fluid and water content data, then real-time detector data is transferred to ground, ensure the normal production of oil well.
As shown in accompanying drawing 4,6,7,8, left end at valve seat 5 is provided with left mounting groove, the right part of check valve 6 is fixedly mounted in the left mounting groove of valve seat 5, and the right part at valve seat 5 is provided with right mounting groove, and the left end containing water sensor 9 is fixedly mounted in the right mounting groove of valve seat 5；nullOr/and，Right connecting device includes connector 26、Adapter sleeve 27 and right connector 28，It is fixedly installed togather outside the right part of connector 26 and inside the left part of adapter sleeve 27，It is fixedly installed togather inside the right-hand member of pillar 4 outside outside the left part of the adapter sleeve 27 and right side，It is fixedly installed togather inside the right part of adapter sleeve 27 and outside the left part of right connector 28，It is fixedly installed togather outside the left end of driving device 20 and inside the right-hand member of transition joint 3，The upper left end face of connector 26 is provided with left mounting groove，The right-hand member of driving device 20 is fixedly mounted in the left mounting groove of connector 26，The upper right end face of connector 26 is provided with step trough，The step trough of connector 26 is installed with wire-passing tube 29，Right part at wire-passing tube 29 is installed with right cable connector 30，The right cable-through hole 31 that the cavity of the left mounting groove with connector 26 and wire-passing tube 29 is connected it is provided with in the middle part of connector 26.So, the left mounting groove of valve seat 5 and right mounting groove are easy to check valve 6 and the installation and removal containing water sensor 9, ensure simultaneously this layer fluid pass sequentially through flow transducer 11, containing water sensor 9 and check valve 6, the left part cavity finally by left joint 1 flows out；Right cable connector 30 is easy to connect cable 56, and right cable-through hole 31 was easy to line.
As shown in accompanying drawing 4,5,6,7,8, it is fixedly installed togather outside the right part of left joint 1 and inside the left end of left outside pillar 2, it is fixedly installed togather inside the right-hand member of left outside pillar 2 and outside the left end of transition joint 3, it is fixedly installed togather inside the left end of pillar 4 outside outside the right-hand member of the transition joint 3 and right side, is fixedly installed togather inside the right-hand member of right outer pillar 4 and outside the left part of right connecting device；nullThe left side, bottom of left joint 1 is provided with left mounting groove，The lower right end face of left joint 1 is provided with right mounting groove，The left cable-through hole 32 being connected with left mounting groove and right mounting groove it is provided with in the bottom of left joint 1，The left mounting groove of left joint 1 is installed with left cable connector 33，The right mounting groove of left joint 1 is installed with connection cover for seat 34，The left side, bottom of transition joint 3 is provided with mounting groove，Seal in ring cavity 8 first and have circuit protection pipe 35，It is fixedly installed togather inside the left end of circuit protection pipe 35 and outside the right part of connection cover for seat 34，The right-hand member of circuit protection pipe 35 is fixedly mounted in the mounting groove of transition joint 3，Power module 36 it is installed with respectively in circuit protection pipe 35、Circuit board 37、Interior pressure sensor 38 and temperature sensor 39，The opening being connected with the first left part cavity sealing ring cavity 8 and left joint 1 it is provided with in left joint 1；Transition joint 3, right outer pillar 4, formation the second sealing ring cavity 40 between driving device 20 and connector 26, axially disposed in the bottom of connector 26 have the middle cable-through hole 41 being connected with the first sealing ring cavity 8, right-hand member at the cable-through hole of transition joint 3 was installed with line plug 42, arranged outside in transition joint 3 has the outer mounting groove being connected with middle cable-through hole 41, is installed with external pressure transducer 43 outside in mounting groove；Axially disposed in the bottom of transition joint 3 have at least one to seal, with the first sealing ring cavity 8 and second, the 3rd flowing hole 44 that ring cavity 40 is connected；Formed stream ring cavity 45 between wire-passing tube 29 and right cable connector 30 and right connector 28, and be provided with in the bottom of connector 26 and seal ring cavity 40 with second and cross the flow channels 46 that stream ring cavity 45 is connected.Power module 36, circuit board 37, interior pressure sensor 38, temperature sensor 39 and external pressure transducer 43 are public；So, it is simple to other layer of liquid sequentially passes through stream ring cavity 45, flow channels 46 enters in the second sealing ring cavity 40, then passes through the 3rd flowing hole 44 on connector 26 and enters in the first sealing ring cavity 8, flows out from the left part cavity of left joint 1 finally by opening；Interior pressure sensor 38 and temperature sensor 39 are easy to detect the pressure and temperature of other layer of liquid, and external pressure transducer 43 is easy to detect the pressure of this layer fluid, then real-time detector data is transferred to ground, it is ensured that the normal production of oil well.
As shown in accompanying drawing 4,6,7, Power Drive Unit 20 is motor；Or/and, between the left part and the left end of left outside pillar 2 of left joint 1, it is installed with sliding sleeve 47；Or/and, the middle part arranged outside in transition joint 3 has annular groove, is installed with cutting seam sieve tube 48 in annular groove；nullOr/and，Between sliding sleeve 47 and left outside pillar 2, sealing ring is installed，Between left outside pillar 2 and transition joint 3, sealing ring is installed，Outside transition joint 3 and the right side, between pillar 4, sealing ring is installed，Outside the right side, between pillar 4 and adapter sleeve 27, sealing ring is installed，Between left cable connector 33 and left joint 1, sealing ring is installed，Between check valve 6 and valve seat 5, sealing ring is installed，Between the first connecting cylinder 21 and valve seat 5, sealing ring is installed，Between the first connecting cylinder 21 and the second connecting cylinder 22, sealing ring is installed，Between the second connecting cylinder 22 and moisture pillar 23, sealing ring is installed，Between moisture pillar 23 and the 3rd connecting cylinder 24, sealing ring is installed，Between the 3rd connecting cylinder 24 and flow pillar 25, sealing ring is installed，Between flow pillar 25 and connecting short section 7, sealing ring is installed，Between connecting short section 7 and transition joint 3, sealing ring is installed，Between Power Drive Unit 20 and connector 26, sealing ring is installed.So, cutting seam sieve tube 48 is easy to the impurity filtering in this layer fluid, makes test result more accurate；Sealing ring is easy to play better seal effect.
As required, the signal input part containing the signal output part of water sensor 9, flow transducer 11, interior pressure sensor 38, temperature sensor 39 and external pressure transducer 43 with remote measurement pipe nipple 51 is electrically connected by left cable connector and cable 56.So, it is simple to real-time detector data is transferred to ground, it is ensured that the normal production of oil well.
Advantages of the present invention:
(1) adopt the present invention to be capable of horizontal well casing pipe detection and provide dynamic monitoring information really and accurately with the test of horizontal well in segments production fluid for oil field development.
(2) the first packer 63 and the second packer 64 can adopt electric packer to carry out setting and deblocking, it is ensured that the reliability and stability of net horizontal section packer setting and deblocking.
(3) coiled tubing horizontal well multiparameter output seating nipple 65 and the first packer 63 and the second packer 64 are with the use of can directly obtain horizontal well in segments production fluid information, complete the sectionalization test of horizontal well flow, moisture, temperature, overpressure, strata pressure.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
The use procedure of preferred embodiment: when carrying out horizontal well test, first carries out Casing Detection, and test device 54 is casing pipe testing device, during test, the present invention is transferred to down-hole, by controlling 24 arm calipers 60, make 24 arm caliper 60 open arms, at the uniform velocity lift up the present invention, carry out Casing Detection；When carrying out the test of segmentation production fluid, test device 54 tests device for production fluid, after the present invention being transferred to be tested section during production fluid test, control the first packer 63 and the second packer 64 sets, starting driving device 20 makes driving device 20 operate, driving device 20 drives the piston rod 18 in piston cylinder 14 to make piston 19 side-to-side movement, thus opening or closing the liquid outlet 17 of piston cylinder 14 left part, carry out recovering stress test, after opening liquid outlet 17, this layer fluid enters in the left part cavity of transition joint 3, pass sequentially through flow transducer 11, containing water sensor 9 and check valve 6, enter in the left part cavity of left joint 1, through the first packer 63 cross runner finally flow out from screen casing 62, thus the convenient flow detecting this layer fluid and water content data；Other layer of liquid sequentially passes through stream ring cavity 45, flow channels 46 enters in the second sealing ring cavity 40, then pass through the 3rd flowing hole 44 on connector 26 and enter in the first sealing ring cavity 8, entered in the left part cavity of left joint 1 by opening, through the first packer 63 cross runner finally flow out from screen casing 62, interior pressure sensor 38 and temperature sensor 39 are easy to detect the pressure and temperature of other layer of liquid, external pressure transducer 43 is easy to detect the pressure of this layer fluid, can measure this section of stratum and recover pressure after the liquid outlet 17 of closure piston cylinder 14 left part；The test data of test device 54 and the test data of tension nipple 52 are transferred to remote measurement pipe nipple 51 by 56 data of cable, it is sent to ground numerical control case 58 by cable 56 and end 55 after 51 Data Integrations of remote measurement pipe nipple, 58 data of ground numerical control case are transferred to host computer 57, host computer 57 make an explanation and shows in real time, providing dynamic monitoring information really and accurately for oilfield horizontal well exploitation.
Claims (10)
1. a coiled tubing horizontal well test device, it is characterised in that include ground signal receiving device, coiled tubing, flexible nipple, remote measurement pipe nipple, tension nipple, releasing tool and test device；Flexible nipple, remote measurement pipe nipple, tension nipple, releasing tool and test device are fixedly installed togather from left to right successively, coiled tubing and flexible nipple are fixedly installed togather by end, the signal output part of test device and the signal output part of tension nipple are electrically connected by cable with the signal input part of remote measurement pipe nipple respectively, and the signal output part of remote measurement pipe nipple and the signal input part of ground signal receiving device are electrically connected by end and cable.
2. coiled tubing horizontal well according to claim 1 test device, it is characterised in that ground signal receiving device includes host computer and ground numerical control case；The signal output part of remote measurement pipe nipple and the signal input part of ground numerical control case are electrically connected by end and cable, and the signal output part of ground numerical control case and the signal input part of host computer are electrically connected by cable.
3. coiled tubing horizontal well according to claim 1 and 2 test device, it is characterised in that test device is casing pipe testing device；Casing pipe testing device includes the first centralizer, 24 arm calipers and the second centralizer；First centralizer, 24 arm calipers and the second centralizer are fixedly installed togather from left to right successively, and the first centralizer and releasing tool are fixedly installed togather.
4. coiled tubing horizontal well according to claim 1 and 2 test device, it is characterised in that test device is production fluid test device；Production fluid test device includes screen casing, the first packer, coiled tubing horizontal well multiparameter output seating nipple and the second packer；Screen casing, the first packer, coiled tubing horizontal well multiparameter output seating nipple and the second packer are fixedly installed togather from left to right successively, screen casing and releasing tool are fixedly installed togather, and the signal output part of coiled tubing horizontal well multiparameter output seating nipple and the signal input part of remote measurement pipe nipple are electrically connected by cable.
5. coiled tubing horizontal well according to claim 4 test device, it is characterised in that coiled tubing horizontal well multiparameter output seating nipple includes the left joint being fixedly installed togather successively from left to right, left outside pillar, transition joint, right outer pillar and right connecting device；nullValve seat is had in left outside pillar，It is fixedly installed togather outside the left part of valve seat and inside the right part of left joint，Left end at valve seat is installed with check valve，Tubular protection device is had in left outside pillar，Left end in transition joint is installed with connecting short section，Left end and the valve seat of tubular protection device are fixedly installed togather，Right-hand member and the connecting short section of tubular protection device are fixedly installed togather，Left joint、Valve seat、Left outside pillar、Tubular protection device、The first sealing ring cavity is formed between connecting short section and transition joint，The cavity left part protecting device at tubular has containing water sensor，The cavity right part protecting device at tubular is installed with pedestal，Right part at pedestal has mounting groove，The mounting groove of pedestal is installed with flow transducer，Left end and valve seat containing water sensor are fixedly installed togather，It is provided with in valve seat and check valve and the first flowing hole of being connected containing water sensor，Right-hand member and pedestal containing water sensor are fixedly installed togather，The second flowing hole being connected with containing water sensor and flow transducer it is provided with in pedestal，Flow transducer is connected with the cavity of connecting short section and the cavity of transition joint，In the cavity of transition joint, fixing seal is provided with the middle part big left part of external diameter and the little piston cylinder of right part external diameter，Left end at piston cylinder is fixed with plug，The middle part of piston cylinder and corresponding transition joint are respectively arranged with the inlet opening connected，Left part at piston cylinder is provided with the liquid outlet that the cavity with transition joint is connected，Piston rod is had in piston cylinder，Left part and right part at piston rod are respectively fixed with piston，Piston bush is contained in piston cylinder，It is installed with driving device between transition joint and right connecting device，Piston rod is fixed together by the clutch end of screw mandrel and driving device.
6. coiled tubing horizontal well according to claim 5 test device, it is characterised in that tubular protection device includes the first connecting cylinder, the second connecting cylinder, moisture pillar, the 3rd connecting cylinder and flow pillar；It is fixedly installed togather inside the left part of the first connecting cylinder and outside the right-hand member of valve seat, it is fixedly installed togather inside the right part of the first connecting cylinder and outside the left part of the second connecting cylinder, it is fixedly installed togather outside the right part of the second connecting cylinder and inside the left end of moisture pillar, it is fixedly installed togather inside the right-hand member of moisture pillar and outside the left part of the 3rd connecting cylinder, it is fixedly installed togather outside the right part of the 3rd connecting cylinder and inside the left end of flow pillar, it is fixedly installed togather inside the right-hand member of flow pillar and outside the left part of connecting short section, it is fixedly installed togather outside the right part of connecting short section and inside the left end of transition joint.
7. the coiled tubing horizontal well test device according to claim 5 or 6, it is characterized in that the left end of valve seat is provided with left mounting groove, the right part of check valve is fixedly mounted in the left mounting groove of valve seat, right part at valve seat is provided with right mounting groove, and the left end containing water sensor is fixedly mounted in the right mounting groove of valve seat；Or/and, right connecting device includes connector, adapter sleeve and right connector, it is fixedly installed togather outside the right part of connector and inside the left part of adapter sleeve, it is fixedly installed togather inside the right-hand member of pillar outside outside the left part of adapter sleeve and the right side, it is fixedly installed togather inside the right part of adapter sleeve and outside the left part of right connector, it is fixedly installed togather outside the left end of driving device and inside the right-hand member of transition joint, the upper left end face of connector is provided with left mounting groove, the right-hand member of driving device is fixedly mounted in the left mounting groove of connector, the upper right end face of connector is provided with step trough, the step trough of connector is installed with wire-passing tube, right part at wire-passing tube is installed with right cable connector, the right cable-through hole that the cavity of the left mounting groove with connector and wire-passing tube is connected it is provided with in the middle part of connector.
8. coiled tubing horizontal well according to claim 7 test device, it is characterized in that outside the right part of left joint and be fixedly installed togather inside the left end of left outside pillar, it is fixedly installed togather inside the right-hand member of left outside pillar and outside the left end of transition joint, it is fixedly installed togather inside the left end of pillar outside outside the right-hand member of transition joint and the right side, is fixedly installed togather inside the right-hand member of right outer pillar and outside the left part of right connecting device；The left side, bottom of left joint is provided with left mounting groove, the lower right end face of left joint is provided with right mounting groove, the left cable-through hole being connected with left mounting groove and right mounting groove it is provided with in the bottom of left joint, the left mounting groove of left joint is installed with left cable connector, the right mounting groove of left joint is installed with connection cover for seat, the left side, bottom of transition joint is provided with mounting groove, circuit protection pipe is had at the first sealing ring intracavity, it is fixedly installed togather inside the left end of circuit protection pipe and outside the right part of connection cover for seat, the right-hand member of circuit protection pipe is fixedly mounted in the mounting groove of transition joint, power module it is installed with respectively in circuit protection pipe, circuit board, interior pressure sensor and temperature sensor, the opening being connected with the first left part cavity sealing ring cavity and left joint it is provided with in left joint；Transition joint, right outer pillar, formation the second sealing ring cavity between driving device and connector, axially disposed in the bottom of connector have the middle cable-through hole being connected with the first sealing ring cavity, right-hand member at the cable-through hole of transition joint was installed with line plug, arranged outside in transition joint has the outer mounting groove being connected with middle cable-through hole, is installed with external pressure transducer outside in mounting groove；Axially disposed in the bottom of transition joint have at least one to seal, with the first sealing ring cavity and second, the flowing hole that ring cavity is connected；Formed stream ring cavity between wire-passing tube and right cable connector and right connector, and be provided with in the bottom of connector and seal ring cavity with second and cross the flow channels that stream ring cavity is connected.
9. coiled tubing horizontal well according to claim 8 test device, it is characterised in that Power Drive Unit is motor；Or/and, between the left part and the left end of left outside pillar of left joint, it is installed with sliding sleeve；Or/and, the middle part arranged outside in transition joint has annular groove, is installed with cutting seam sieve tube in annular groove；nullOr/and，Between sliding sleeve and left outside pillar, sealing ring is installed，Between left outside pillar and transition joint, sealing ring is installed，Outside transition joint and the right side, between pillar, sealing ring is installed，Sealing ring is installed between pillar and adapter sleeve outside the right side，Between left cable connector and left joint, sealing ring is installed，Sealing ring is installed between check valve and valve seat，Between the first connecting cylinder and valve seat, sealing ring is installed，Between the first connecting cylinder and the second connecting cylinder, sealing ring is installed，Between the second connecting cylinder and moisture pillar, sealing ring is installed，Between moisture pillar and the 3rd connecting cylinder, sealing ring is installed，Between the 3rd connecting cylinder and flow pillar, sealing ring is installed，Between flow pillar and connecting short section, sealing ring is installed，Sealing ring is installed between connecting short section and transition joint，Sealing ring is installed between Power Drive Unit and connector.
10. coiled tubing horizontal well according to claim 9 test device, it is characterised in that be electrically connected by left cable connector and cable containing the signal output part of water sensor, flow transducer, interior pressure sensor, temperature sensor and external pressure transducer and the signal input part of remote measurement pipe nipple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610249171.7A CN105756664B (en) | 2016-04-20 | 2016-04-20 | Coiled tubing horizontal well test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610249171.7A CN105756664B (en) | 2016-04-20 | 2016-04-20 | Coiled tubing horizontal well test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105756664A true CN105756664A (en) | 2016-07-13 |
| CN105756664B CN105756664B (en) | 2019-03-05 |
Family
ID=56324634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610249171.7A Active CN105756664B (en) | 2016-04-20 | 2016-04-20 | Coiled tubing horizontal well test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105756664B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043215A (en) * | 2019-05-28 | 2019-07-23 | 西安思坦仪器股份有限公司 | A kind of electronic plugging device of horizontal well |
| CN111852449A (en) * | 2020-09-09 | 2020-10-30 | 哈尔滨艾拓普科技有限公司 | Continuous dragging type horizontal well produced liquid sectional test system |
| CN113550733A (en) * | 2020-04-03 | 2021-10-26 | 中石化石油工程技术服务有限公司 | Measurement-while-drilling nipple for coiled tubing engineering and use method thereof |
| CN114635672A (en) * | 2021-12-30 | 2022-06-17 | 中国石油天然气集团有限公司 | Shale gas downhole production dynamic monitoring method and system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5553677A (en) * | 1992-06-27 | 1996-09-10 | Bergwerksverband Gmbh | Survey process for cable core borings and device for implementing it |
| CN201144690Y (en) * | 2007-11-27 | 2008-11-05 | 中国石油天然气集团公司 | Casing horizontal well logging device |
| CN203729983U (en) * | 2013-11-22 | 2014-07-23 | 中国石油天然气股份有限公司 | Multi-segment fractured horizontal well intelligent test system |
| CN204060675U (en) * | 2014-09-26 | 2014-12-31 | 北京捷威思特科技有限公司 | π production well log system |
| CN104564023A (en) * | 2014-12-18 | 2015-04-29 | 西安思坦仪器股份有限公司 | Non-contact type high-accuracy array electromagnetic thickness gauge |
| CN104929592A (en) * | 2015-05-29 | 2015-09-23 | 北京斯盛达石油设备科技有限公司 | Tubular column for monitoring water searching and blocking and reservoir pressure of horizontal well and using method of tubular column |
| CN105422058A (en) * | 2015-12-25 | 2016-03-23 | 中国海洋石油总公司 | Release type current-adjustable layering mining method for horizontal well |
| CN205577974U (en) * | 2016-04-20 | 2016-09-14 | 中国石油集团西部钻探工程有限公司 | Coiled tubing horizontal well testing arrangement |
-
2016
- 2016-04-20 CN CN201610249171.7A patent/CN105756664B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5553677A (en) * | 1992-06-27 | 1996-09-10 | Bergwerksverband Gmbh | Survey process for cable core borings and device for implementing it |
| CN201144690Y (en) * | 2007-11-27 | 2008-11-05 | 中国石油天然气集团公司 | Casing horizontal well logging device |
| CN203729983U (en) * | 2013-11-22 | 2014-07-23 | 中国石油天然气股份有限公司 | Multi-segment fractured horizontal well intelligent test system |
| CN204060675U (en) * | 2014-09-26 | 2014-12-31 | 北京捷威思特科技有限公司 | π production well log system |
| CN104564023A (en) * | 2014-12-18 | 2015-04-29 | 西安思坦仪器股份有限公司 | Non-contact type high-accuracy array electromagnetic thickness gauge |
| CN104929592A (en) * | 2015-05-29 | 2015-09-23 | 北京斯盛达石油设备科技有限公司 | Tubular column for monitoring water searching and blocking and reservoir pressure of horizontal well and using method of tubular column |
| CN105422058A (en) * | 2015-12-25 | 2016-03-23 | 中国海洋石油总公司 | Release type current-adjustable layering mining method for horizontal well |
| CN205577974U (en) * | 2016-04-20 | 2016-09-14 | 中国石油集团西部钻探工程有限公司 | Coiled tubing horizontal well testing arrangement |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043215A (en) * | 2019-05-28 | 2019-07-23 | 西安思坦仪器股份有限公司 | A kind of electronic plugging device of horizontal well |
| CN113550733A (en) * | 2020-04-03 | 2021-10-26 | 中石化石油工程技术服务有限公司 | Measurement-while-drilling nipple for coiled tubing engineering and use method thereof |
| CN111852449A (en) * | 2020-09-09 | 2020-10-30 | 哈尔滨艾拓普科技有限公司 | Continuous dragging type horizontal well produced liquid sectional test system |
| CN111852449B (en) * | 2020-09-09 | 2022-11-25 | 哈尔滨艾拓普科技有限公司 | Continuous dragging type horizontal well produced liquid sectional test system |
| CN114635672A (en) * | 2021-12-30 | 2022-06-17 | 中国石油天然气集团有限公司 | Shale gas downhole production dynamic monitoring method and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105756664B (en) | 2019-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2749732B1 (en) | Measurement while drilling tool with interconnect assembly | |
| US5351533A (en) | Coiled tubing system used for the evaluation of stimulation candidate wells | |
| US8905128B2 (en) | Valve assembly employable with a downhole tool | |
| US8397809B2 (en) | Technique and apparatus to perform a leak off test in a well | |
| CN105156093B (en) | A kind of bridge-type surveys tune and tests envelope integrated test test instrument with one heart | |
| CN105756664A (en) | Coiled tubing horizontal well testing device | |
| CN103061753A (en) | Device for measuring downhole flow while drilling and monitoring early overflow | |
| CN205577974U (en) | Coiled tubing horizontal well testing arrangement | |
| CN106014379A (en) | Layered simultaneous production testing string | |
| CN105041298A (en) | Device and method for wirelessly positioning depths of strings in real time during coiled tubing operation | |
| US8544553B2 (en) | Sealing apparatus and method for a downhole tool | |
| CN101581217A (en) | Device and method for coal bed gas pressure/content measurement while drilling | |
| CN205422694U (en) | Formation pressure rapid survey appearance | |
| CN201246157Y (en) | Well cementing parameter integrative collecting system | |
| US8360148B2 (en) | Methods, apparatus and articles of manufacture to measure gas reservoir formation pressures | |
| CN2775299Y (en) | Synchronous flow checking seal detector | |
| CN204851221U (en) | Concentric measure and regulate of bridge type tests and seals integration test instrument | |
| RU2268988C2 (en) | All-purpose packer for tubing testing and surveying | |
| CN208777914U (en) | Bottom pressure, temperature data acquisition pipe nipple | |
| CN203347782U (en) | Ultra-deep well down-hole video imaging device | |
| CN205577973U (en) | Coiled tubing horizontal well multi -parameter output seating nipple | |
| CN201635718U (en) | Stratified flow pressure and flow instrument | |
| CN111219183B (en) | Water volume and water pressure detection device | |
| CN105089622B (en) | Horizontal well bar conveying well measuring technique rod tube column | |
| CN202485896U (en) | Simulation test apparatus for external casing packer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191012 Address after: No. 6, liupukang, Xicheng District, Beijing 100120 Co-patentee after: CNPC Xibu Drilling Engineering Company Limited Patentee after: PetroChina Natural Gas Group Co., Ltd. Address before: 834000 the Xinjiang Uygur Autonomous Region Karamay Karamay Friendship Road No. 115 joint office building oil testing company Patentee before: CNPC Xibu Drilling Engineering Company Limited |