CN206874269U - A kind of horizontal well production liquid test system for coordinating continuous oil pipe operation - Google Patents
A kind of horizontal well production liquid test system for coordinating continuous oil pipe operation Download PDFInfo
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- CN206874269U CN206874269U CN201720592805.9U CN201720592805U CN206874269U CN 206874269 U CN206874269 U CN 206874269U CN 201720592805 U CN201720592805 U CN 201720592805U CN 206874269 U CN206874269 U CN 206874269U
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Abstract
It the utility model is related to a kind of horizontal well production liquid test system for coordinating continuous oil pipe operation.The system includes ground numerical control device, cable, coiled tubing, end and horizontal well in segments testing tube string；Cable built in the coiled tubing；One end of cable is connected with ground numerical control device, and the other end is connected by end with horizontal well in segments testing tube string；Horizontal well in segments testing tube string includes flexible nipple, remote measurement pipe nipple, screen sub, upper packer, horizontal well production liquid tester, the lower packet being sequentially connected；The segmentation that horizontal well yield, aqueous, temperature, overpressure, pipe external pressure can be completed by using the test system is directly tested, it can also realize that pressure test is recovered on stratum, and test data can be real-time transmitted to ground numerical control device by cable, provide really and accurately dynamic monitoring information for oil field development.
Description
Technical field
The utility model belongs to petroleum gas field of detecting, is related to a kind of horizontal well production liquid for coordinating continuous oil pipe operation
Test system.
Background technology
With the continuous quickening of oil field prospecting paces, the classification of horizontal well completion multistage, volume fracturing technique, which turn into, to be improved newly
One of important means of old filed single well productivity.For accurate evaluation oil reservoir or measure effect, must obtain segmentation profit yield,
The data such as stressor layer, temperature.
The mainly production profile production liquid measuring technology that existing oil well liquid-producing test uses.Due to by casing programme and complete
The limitation of the factors such as well mode, part of horizontal well can not carry out production profile test.Production profile measuring technology can not be directly complete
Into segmentation production liquid test, each section of production liquid information can only be obtained by diminishing method, and each section of stratum can not be obtained and recover pressure.
Utility model content
The problem of in background technology, the utility model provide a kind of horizontal well production liquid for coordinating continuous oil pipe operation
Test system, the segmentation that can complete horizontal well yield, aqueous, temperature, overpressure, pipe external pressure are directly tested, can also be real
Pressure test is recovered on existing stratum, and test data can be real-time transmitted to ground numerical control device by cable, is carried for oil field development
For really and accurately dynamic monitoring information.
Technical solution of the present utility model is：
The utility model provides a kind of horizontal well production liquid test system for coordinating continuous oil pipe operation, including ground numerical control
Device, cable, coiled tubing, end and horizontal well in segments testing tube string；Cable built in the coiled tubing；The one of cable
End is connected with ground numerical control device, and the other end is connected by end with horizontal well in segments testing tube string；Horizontal well in segments is tested
Pipe string produces liquid tester, lower packing including flexible nipple, remote measurement pipe nipple, screen sub, upper packer, the horizontal well being sequentially connected
Device；
Its improvements is：
Horizontal well production liquid tester include top connection, upper outer protection tube, two upper internal layer pillars, the aqueous pipe nipple of flow,
Circuit pipe nipple, it is middle cross fluid, external pressure sensor, pressure sensor, temperature sensor, lower outer protection tube, lower internal layer pillar,
Oil nozzle switchs pipe nipple and lower contact；
Upper outer protection tube one end is connected with top connection, and the other end is crossed fluid by centre and is connected with lower outer protection tube, lower contact peace
In lower outer protection tube；The top connection and lower contact offer liquid flow channels；
Two internal layer pillars are installed in parallel in inside outer protection tube, and two upper to form the between internal layer pillar and upper outer protection tube
One annular space；The aqueous pipe nipple of flow is installed in one upper internal layer pillar, installation circuit pipe nipple in internal layer pillar on another；
The aqueous pipe nipple of flow is used to measure the flow and moisture content by well liquid；The aqueous pipe nipple of flow and circuit pipe nipple
Electrical connection.
Well liquid instrument connection and flow channels are provided with middle excessively stream body；The pressure sensor, temperature sensor peace
In well liquid instrument connection or in flow channels；Centre is crossed on the outer wall of fluid and installs external pressure sensor；Fluid is crossed in centre
Inlet is offered on outer wall；
Lower internal layer pillar is arranged in lower outer protection tube；The second annular space is formed between lower internal layer pillar and lower outer protection tube；Lower oil
In the lower internal layer pillar of mouth switch pipe nipple installation；The oil nozzle switch pipe nipple electrically connects with circuit pipe nipple；
First annular space, flow channels, the second annular space and the liquid flow channels of top connection and the liquid of lower contact
Flow channels connect to form well liquid circulation passage；
The inlet, well liquid instrument connection, the aqueous pipe nipple of flow connect to form well liquid with the liquid flow channels of top connection
TCH test channel；
The oil nozzle switch pipe nipple includes piston, leading screw and motor；One end of the leading screw is connected with motor output end,
The other end is connected with piston；
Cable plug is installed with top connection；Lower cable plug is fixedly mounted in lower contact.
Above-mentioned horizontal well in segments testing tube string also includes the tension force magnetic orientation being arranged between remote measurement pipe nipple and screen sub
Pipe nipple and releasing pup joint.
Above-mentioned horizontal well in segments testing tube string also includes being arranged on prolonging between upper packer and horizontal well production liquid tester
Long duct.
The above-mentioned aqueous pipe nipple of flow includes containing water sensor and flowmeter along what well liquid flowed to that direction sets gradually.
Foregoing circuit pipe nipple includes power module, down-hole power circuit, underground control chip, circuit for controlling motor, underground
Decoding circuit, underground coding circuit；Down-hole power circuit is powered after voltage cable is changed to electric circuit in well；Circuit for controlling motor
One end is connected with underground control chip, and the other end is connected with motor；Underground decoding circuit passes through ground numerical control device under cable
Underground control chip is input to after the signal decoding of biography；Underground coding circuit underground gather signal it is encoded after pass through cable
Send to ground numerical control device.
Above-mentioned oil nozzle switch pipe nipple also includes limit switch, and limit switch is used for the distance for limiting piston movement.
Above-mentioned flexible nipple angle of bend is 0 ° to 10 °.
Above-mentioned screen sub built-in communication line and production liquid liquid outlet.
Above-mentioned flowmeter uses suspended body flowmeter.
The utility model has the advantage of：
1st, the utility model uses coiled tubing handling cable formula instrument string, can respectively produce liquid section production liquid by level monitoring well in real time
Information, really and accurately dynamic monitoring information is provided for oil field development.
2nd, the utility model is set and unsealed using electric packer, ensure that net horizontal section packer setting and solution
The reliability and stability of envelope.
3rd, the utility model horizontal well production liquid tester and electric packer, which are used cooperatively, can directly obtain horizontal well in segments
Liquid information is produced, completes horizontal well yield, aqueous, temperature, overpressure, the sectionalization test of strata pressure.
Brief description of the drawings
Fig. 1 horizontal wells produce the structural representation of liquid test system；
Fig. 2 a are the structure diagram that horizontal well produces liquid tester Part I；
Fig. 2 b are the structure diagram that horizontal well produces liquid tester Part II；
Fig. 2 c are the structure diagram that horizontal well produces liquid tester Part III；
Fig. 2 a, Fig. 2 b, Fig. 2 c structure diagram for being combined as horizontal well production liquid tester.
Reference is as follows：
1- top connections, the upper outer protection tubes of 2-, the upper internal layer pillars of 3-, the aqueous pipe nipple of 4- flows, 5- circuits pipe nipple, 6- centres excessively stream
Internal layer pillar, 12- are oily under outer protection tube, 11- under body, 7- external pressure sensors, 8- temperature sensors, 9- pressure sensors, 10-
Mouth switch pipe nipple, 13- lower contacts, the annular spaces of 14- first, 15- are containing water sensor, 16- flowmeters, 17- well liquids instrument connection, 18- mistakes
Circulation road, 19- inlets, the annular spaces of 20- second, 21- pistons, 22- leading screws, 23- motors, 24- limit switches, 25- liquid excessively streams
Cable plug, 28- ground numerical controls device, 29- cables, 30- coiled tubings, 31- cables under the upper cable plug of passage, 26-, 27-
Head 32- horizontal well in segments testing tubes string, 33- flexible nipples, 34- remote measurements pipe nipple, 35- screen subs, 36- upper packers, 37- water
Horizontal well production liquid tester, 38- lower packets, 39- tension force magnetic orientations pipe nipple, 40- releasing pup joints, 41- elongate catheters.
Embodiment
As shown in figure 1, horizontal well production liquid test system provided by the utility model includes ground numerical control device 28, cable
29th, coiled tubing 30, end 31 and horizontal well in segments testing tube string 32；Cable 29 built in coiled tubing 30；Cable 29
One end is connected with ground numerical control device 28, and the other end is connected by end 31 with horizontal well in segments testing tube string 32；Horizontal well
Sectionalization test pipe 32 includes flexible nipple 33, remote measurement pipe nipple 34, screen sub 35, upper packer 36, the horizontal well being sequentially connected
Produce liquid tester 37, lower packet 38；
The angle of bend of flexible nipple 33 is maximum up to 10 °, and releasable coiled tubing 30 is acted on the longitudinal direction of lower extension instrument string
Power.
Remote measurement pipe nipple 34 is used for controlling the multiple instrument communications in underground, and the Data Integration of the multiple instruments connected, leads to
Cross digitally coded mode and be sent to ground numerical control device.
The built-in communication line of screen sub 35 and production liquid liquid outlet, lower end is connected with upper packer 36.
Structure of the present utility model, which is improved, to be：
As shown in Fig. 2 a, Fig. 2 b and Fig. 2 c, horizontal well production liquid tester 37 includes top connection 1, upper outer protection tube 2, two
Individual upper internal layer pillar 3, the aqueous pipe nipple 4 of flow, circuit pipe nipple 5, it is middle cross fluid 6, external pressure sensor 7, temperature sensor 8,
Pressure sensor 9, lower outer protection tube 10, lower internal layer pillar 11, oil nozzle switch pipe nipple 12 and lower contact 13；
Upper one end of outer protection tube 2 is connected with top connection 1, the other end by centre cross fluid 6 be connected with lower outer protection tube 10, under connect
First 13 are arranged in lower outer protection tube 10；Top connection 1 and lower contact 13 offer liquid flow channels 25；
Two upper internal layer pillars 3 are installed in parallel in inside outer protection tube 2, between two upper internal layer pillars 3 and upper outer protection tube 2
Form the first annular space 14；The aqueous pipe nipple 4 of flow is installed in one internal layer pillar, circuit pipe nipple is installed in another internal layer pillar
5；
Specifically, the aqueous pipe nipple 4 of flow include along well liquid flow to that direction sets gradually containing water sensor 15 and stream
Gauge 16；Electrically connected containing water sensor 15 and flowmeter 16 with circuit pipe nipple 5.
Flow measurement is carried out using flowmeter, moisture content, in order to adapt to use environment, the reality are measured using containing water sensor
Suspended body flowmeter is calculated as with the new flow used.
Centre is crossed in fluid 6 and is provided with well liquid instrument connection 17 and flow channels 18；Temperature sensor 8, pressure sensor 9
In well liquid instrument connection 17 or in flow channels 18；Centre, which is crossed, installs external pressure sensor 7 on the outer wall of fluid 6；It is middle
Cross on the outer wall of fluid 6 and offer inlet 19；
Lower internal layer pillar 11 is arranged in lower outer protection tube 10；The second ring is formed between lower internal layer pillar 11 and lower outer protection tube 10
Sky 20；In the lower internal layer pillar 11 of oil nozzle switch pipe nipple 12 installation；Oil nozzle switch pipe nipple 12 electrically connects with circuit pipe nipple 5；
Oil nozzle switch pipe nipple 12 includes piston 21, leading screw 22 and motor 23；One end of leading screw 22 and the output end of motor 23
Connection, the other end are connected with piston 21；Circuit pipe nipple is controlled to motor, makes it promote piston movement to control inlet
On and off.
Special to also have, oil nozzle switch pipe nipple 12 also includes limit switch 24, and limit switch 24 is used to limit piston movement
Distance, the maximum position and minimum position of movement (i.e. piston)
First annular space 14, flow channels 18, the second annular space 20 and the liquid flow channels of top connection 1 and lower contact 13
Liquid flow channels connect to form well liquid circulation passage；
The aqueous pipe nipple 4 of inlet 19, well liquid instrument connection 17, flow connects to form well with the liquid flow channels of top connection 1
Liquid TCH test channel；
During test, motor rotation, leading screw band piston is driven to move reciprocatingly, test layer inlet is opened, and well liquid flows into,
It is passage in transit pressure sensor, temperature sensor, aqueous successively by the liquid flow channels of well liquid instrument connection and top connection
Pop one's head in and swim flowmeter, so as to measure the overpressure of this layer, temperature, moisture content and uninterrupted.
At the same time, next layer of well liquid after test layer passes sequentially through liquid flow channels by lower contact, the second ring
Sky, flow channels, the first annular space and the liquid flow channels of top connection, finally flow out coiled tubing, realize the production of fluid
Go out.
After the completion of test, control circuit controlled motor is blocked inlet using piston, and the pressure in well reverts to stratum
Pressure itself, it can now utilize external pressure sensor to test the stratum on the stratum and recover pressure.
As can be seen here, the tester does not interfere with the output of other layer of fluid, carried significantly while the measurement of this layer is carried out
High operating efficiency.
It should be noted that during in order to be used cooperatively with coiled tubing, down-hole information can be exported smoothly, the utility model
Top connection 1 in be installed with cable plug 26；Lower cable plug 27 is fixedly mounted in lower contact 13.
Horizontal well in segments testing tube string of the present utility model also includes being arranged between remote measurement pipe nipple 7 and screen sub 35
Tension force magnetic orientation pipe nipple 39 and releasing pup joint 40, the built-in communication line of tension force magnetic orientation pipe nipple 39, lower end connects with releasing pup joint 40
Connect, tension force magnetic orientation pipe nipple realizes the measurement of the thrust that depth of falling well and coiled tubing acted on instrument string and pulling force.
Circuit pipe nipple includes power module, down-hole power circuit, underground control chip, circuit for controlling motor, underground decoding
Circuit, underground coding circuit；Down-hole power circuit is powered after voltage cable is changed to electric circuit in well；Circuit for controlling motor one end
It is connected with underground control chip, the other end is connected with motor；Underground decoding circuit down passes ground numerical control device by cable
Underground control chip is input to after signal decoding；Underground coding circuit underground gather signal it is encoded after sent by cable
Give ground numerical control device.
The built-in sealing plug device of releasing pup joint 40, it is ensured that well liquid will not enter upper and lower instrument internal after giving up.When instrument is met
During card, i.e., when pulling force, which is more than, gives up preset value, instrument string can be put aside, protection is risen to coiled tubing and used, is beaten by special
Fishing combined tool is salvaged.
Horizontal well in segments testing tube string of the present utility model also includes being arranged on upper packer 36 and horizontal well production liquid test
Elongate catheter 41 between instrument 37；Liquid tester phase is produced in the built-in communication line of elongate catheter 41 and flow channels, lower end with horizontal well
Even；The segmentation span of upper and lower packer can flexibly be increased.
Ground numerical control device is powered by the cable built in coiled tubing to remote measurement pipe nipple.Ground numerical control device and remote measurement are short
Section is communicated using Manchester's code, and uplink baud rate is 11.458Kbps, and lower biography communication baud rate is 300bps.
Remote measurement pipe nipple the voltage conversion on cable be internal bus voltage to tension force magnetic orientation pipe nipple, upper electric packer, horizontal well
Multi parameter tester, the power supply of lower electric packer, remote measurement pipe nipple use bus addressing mode with lower extension instrument, and communication code is
AMI codes, communication baud rate 100Kbps.
After horizontal well in segments testing tube string transfers to be tested section, ground controller device controls upper packer by cable
The electronic inlet for setting, opening horizontal well production liquid tester is carried out with lower packet, and it is logical that this layer of production liquid from oil nozzle flows into measurement
Road, liquid generated underground information can be tested.Other sections of production liquid flow into from lower packet, pass sequentially through lower packet, horizontal well production liquid is surveyed
Instrument, elongate catheter, the flow channels of upper electric packer are tried to flow out from screen sub.
Pressure is recovered on measurable this section of stratum after the inlet of horizontal well production liquid tester is closed.The information of apparatus measures
Data transfer to remote measurement pipe nipple, remote measurement pipe nipple are filled ground numerical control is sent to after lower extension all appts Data Integration by cable
Put, data measured is explained simultaneously real-time display by ground numerical control device.
Horizontal well production liquid test system operation principle be：
1) coiled tubing transportation horizontal well sectionalization test pipe string is transferred, and tension force magnetic orientation pipe nipple passes through the data of measurement distant
Survey pipe nipple and be real-time transmitted to ground numerical control device, ground numerical control device uses depth type of drive, real-time display in decentralization process
Instrument string transfers depth and thrust.
2) when horizontal well in segments testing tube string transfers to position of stratum to be measured, ground numerical control device is issued by remote measurement pipe nipple
Upper and lower packer setting order, upper and lower packer, which receives, sets order, and opening sets motor, sets motor driven electric pump reality
It is now electronic to set.
3) after upper and lower electric packer completes electronic set, ground numerical control device issues horizontal well by remote measurement pipe nipple and produced
Liquid tester inlet opens order, and horizontal well production liquid tester opens inlet after receiving order, carries out producing liquid test.Water
The flow of survey, aqueous, temperature, pressure are real-time transmitted to ground numerical control device by horizontal well production liquid tester；Ground numerical control device is adopted
With time emulation mode, real-time display liquid generated underground information.
4) after production liquid test is completed, ground numerical control device issues horizontal well by remote measurement pipe nipple and produces liquid tester inlet
Shutdown command, horizontal well production liquid tester close inlet after receiving order, carry out stratum and recover pressure test.Horizontal well is more
The stratum of survey is recovered pressure data and is real-time transmitted to ground numerical control device by parameter tester.Ground numerical control device is imitated using the time
True mode, real-time display.
5) after completing stratum recovery pressure test, ground numerical control issues upper and lower removing seal for packer order by remote measurement pipe nipple,
Upper and lower packer receives deblocking order opening pressure release passage and realizes electronic deblocking.
6) complete the upper and lower electronic solution of packer to be honored as a queen, coiled tubing conveying instrument string is segmented to next test section
Test.
Claims (10)
1. it is a kind of coordinate continuous oil pipe operation horizontal well production liquid test system, including ground numerical control device (28), cable (29),
Coiled tubing (30), end (31) and horizontal well in segments testing tube string (32)；Cable built in the coiled tubing (30)
(29)；One end of cable (29) is connected with ground numerical control device (28), and the other end is surveyed by end (31) and horizontal well in segments
Test tube string (32) is connected；Horizontal well in segments testing tube string (32) include be sequentially connected flexible nipple (33), remote measurement pipe nipple (34),
Screen sub (35), upper packer (36), horizontal well production liquid tester (37), lower packet (38)；
It is characterized in that：
The horizontal well production liquid tester (37) includes top connection (1), upper outer protection tube (2), two upper internal layer pillars (3), flows
Aqueous pipe nipple (4), circuit pipe nipple (5), middle fluid (6), external pressure sensor (7), pressure sensor (9), the temperature crossed pass
Sensor (8), lower outer protection tube (10), lower internal layer pillar (11), oil nozzle switch pipe nipple (12) and lower contact (13)；
Upper outer protection tube (2) one end is connected with top connection (1), and the other end is crossed fluid (6) by centre and is connected with lower outer protection tube (10),
Lower contact (13) is arranged in lower outer protection tube (10)；The top connection (1) and lower contact (13) offer liquid flow channels
(25)；
Two upper internal layer pillars (3) are installed in parallel in outer protection tube (2) inside, two upper internal layer pillars (3) and upper outer protection tube (2)
Between form the first annular space (14)；The aqueous pipe nipple of flow (4) is installed in one upper internal layer pillar (3), internal layer protects on another
Manage installation circuit pipe nipple (5) in (3)；
The aqueous pipe nipple of flow (4) is used to measure the flow and moisture content by well liquid；The aqueous pipe nipple of flow (4) and circuit are short
Save (5) electrical connection；
Centre is crossed in fluid (6) and is provided with well liquid instrument connection (17) and flow channels (18)；The pressure sensor (9), temperature
Sensor (8) is spent to be arranged in well liquid instrument connection (17) or in flow channels (18)；It is outer that installation on the outer wall of fluid (6) is crossed in centre
Pressure sensor (7)；Centre is crossed on the outer wall of fluid (6) and offers inlet (19)；
Lower internal layer pillar (11) is arranged in lower outer protection tube (10)；Is formed between lower internal layer pillar (11) and lower outer protection tube (10)
Two annular spaces (20)；In the lower internal layer pillar (11) of oil nozzle switch pipe nipple (12) installation；The oil nozzle switch pipe nipple (12) and circuit are short
Save (5) electrical connection；
First annular space (14), flow channels (18), the liquid flow channels of the second annular space (20) and top connection (1) and under
The liquid flow channels of joint (13) connect to form well liquid circulation passage；
The inlet (19), well liquid instrument connection (17), the liquid flow channels of the aqueous pipe nipple of flow (4) and top connection (1) connect
It is logical to form well liquid TCH test channel；
The oil nozzle switch pipe nipple (12) includes piston (21), leading screw (22) and motor (23)；One end of the leading screw (22)
It is connected with motor (23) output end, the other end is connected with piston (21)；
Cable plug (26) is installed with top connection (1)；Lower cable plug (27) is fixedly mounted in lower contact (13).
A kind of 2. horizontal well production liquid test system for coordinating continuous oil pipe operation according to claim 1, it is characterised in that：
The horizontal well in segments testing tube string (32) also includes the tension force magnetic being arranged between remote measurement pipe nipple (34) and screen sub (35)
Orientation spool (39) and releasing pup joint (40).
A kind of 3. horizontal well production liquid test system for coordinating continuous oil pipe operation according to claim 2, it is characterised in that：
The horizontal well in segments testing tube string (32) also includes being arranged between upper packer (36) and horizontal well production liquid tester (37)
Elongate catheter (41).
A kind of 4. horizontal well production liquid test system for coordinating continuous oil pipe operation according to claim 3, it is characterised in that：
The aqueous pipe nipple of flow (4) includes containing water sensor (15) and flowmeter (16) along what well liquid flowed to that direction sets gradually.
A kind of 5. horizontal well production liquid test system for coordinating continuous oil pipe operation according to claim 4, it is characterised in that：
The circuit pipe nipple include power module, down-hole power circuit, underground control chip, circuit for controlling motor, underground decoding circuit,
Underground coding circuit；Down-hole power circuit is powered after voltage cable is changed to electric circuit in well；Circuit for controlling motor one end and well
Lower control chip is connected, and the other end is connected with motor；The signal that underground decoding circuit down passes ground numerical control device by cable
Underground control chip is input to after decoding；Underground coding circuit underground gather signal it is encoded after sent to ground by cable
Face numerical control device.
A kind of 6. horizontal well production liquid test system for coordinating continuous oil pipe operation according to claim 5, it is characterised in that：
Oil nozzle switch pipe nipple (12) also includes limit switch (24), limit switch (24) be used to limiting piston (21) moves away from
From.
A kind of 7. horizontal well production liquid test system for coordinating continuous oil pipe operation according to claim 6, it is characterised in that：
The upper packer (36) and lower packet (38) use electric packer.
A kind of 8. horizontal well production liquid test system for coordinating continuous oil pipe operation according to claim 7, it is characterised in that：
Flexible nipple (33) angle of bend is 0 ° to 10 °.
A kind of 9. horizontal well production liquid test system for coordinating continuous oil pipe operation according to claim 8, it is characterised in that：
Screen sub (35) the built-in communication line and production liquid liquid outlet.
10. a kind of horizontal well production liquid test system for coordinating continuous oil pipe operation according to claim 9, its feature exist
In：The flowmeter uses suspended body flowmeter.
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| CN201720592805.9U CN206874269U (en) | 2017-05-25 | 2017-05-25 | A kind of horizontal well production liquid test system for coordinating continuous oil pipe operation |
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