CN108868744A - A kind of multistage pressure break horizontal well production profile real-time testing system and test method - Google Patents
A kind of multistage pressure break horizontal well production profile real-time testing system and test method Download PDFInfo
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- CN108868744A CN108868744A CN201810715214.5A CN201810715214A CN108868744A CN 108868744 A CN108868744 A CN 108868744A CN 201810715214 A CN201810715214 A CN 201810715214A CN 108868744 A CN108868744 A CN 108868744A
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- China
- Prior art keywords
- horizontal well
- well
- water cut
- signal amplifier
- test
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Classifications
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- 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
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
Abstract
The present invention provides a kind of multistage pressure break horizontal well production profile real-time testing system and test methods, are related to oil extraction in oil field technical field.System includes the pumping system and receiving system that horizontal well straight well section is arranged in, and the test string system being arranged in horizontal well horizontal segment；Pumping system pumps to connected pipes, so that the fluid of different test zones enters corresponding comprehensive water cut flow tester；Every level-one comprehensive water cut flow tester measures the water-contained flow parameter of the fluid of corresponding test zone, and is transmitted to the signal amplifier by multicore cable；Receiving system carries out real-time reception to the water-contained flow parameter at signal amplifier, and obtains the Liquid output and water content of different test zones according to pre-set test plate.As it can be seen that the present invention can solve to use the prior art, and caused by site operation heavy workload, measure long construction period, when leveraging well recovery the problem of the performance of rate and production capacity.
Description
Technical field
The present invention relates to one of oil extraction in oil field technical fields more particularly to a kind of oilfield horizontal well exploitation production process
Multistage pressure break horizontal well production profile real-time testing system and test method.
Background technique
Currently, Horizontal Well number gradually increases with the extension of oil field development time, during horizontal wells, need
It often to test segmentation production profile to grasp underground in time and go out liquid situation, be provided for water injection of horizontal well modification scenario and later period water blockoff
Foundation.
When testing at present the especially low liquid measure horizontal well of horizontal well, generally pass through tripping in producing profile testing pipe first
Column, ground pumping unit continuous production, upper lifting pipe post takes out tester after test, and playback of data finds out each section of Liquid output, contains
The data such as water, pressure and temperature obtain the Liquid output of each test zone and aqueous.Site operation workload in this way
Greatly, measure long construction period, the performance of rate and production capacity when leveraging well recovery.
Summary of the invention
The embodiment of the present invention provides a kind of multistage pressure break horizontal well production profile real-time testing system and test method, with
Solve site operation heavy workload in the prior art, measure long construction period, rate and production capacity when leveraging well recovery
The problem of performance.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of multistage pressure break horizontal well production profile real-time testing system, the pumping system including horizontal well straight well section is arranged in
System and receiving system, and the test string system being arranged in horizontal well horizontal segment；The test string system includes：
Connected pipes, multiple packers, multicore cable, signal amplifier, are oriented to silk plug and give up multistage comprehensive water cut flow tester
Connector；Comprehensive water cut flow testers at different levels are arranged on the outside of the tubing string of the connected pipes, so that every level-one comprehensive water cut flow
Tester is corresponding with a test zone；The multicore cable concatenates comprehensive water cut flow testers at different levels, and described in connection
Signal amplifier；Each packer is by each test zone card Fengkai；What the guiding silk plug was arranged in connected pipes gos deep into horizontal well
One that connected pipes are located at the boundary of horizontal well horizontal segment and straight well section is arranged in one end inside horizontal segment, the back-off sub
End；One packer is set on the downside of the back-off sub, and the packer on the downside of back-off sub is arranged in the signal amplifier
Downside；The pumping system is arranged on the upside of the back-off sub；The receiving system is arranged in pumping system and pit shaft
In oil jacket annulus between casing；
The pumping system pumps to connected pipes, contains so that the fluid of different test zones enters corresponding synthesis
Water flow tester；
Every level-one comprehensive water cut flow tester measures the water-contained flow parameter of the fluid of corresponding test zone, and leads to
Multicore cable transmission is crossed to the signal amplifier；
The receiving system carries out real-time reception to the water-contained flow parameter at signal amplifier, and according to setting in advance
The test plate set obtains the Liquid output and water content of different test zones.
Specifically, the pumping system includes screen casing, oil well pump, oil pipe and sucker rod；The screen casing is arranged in pumping system
System lower end, the oil well pump and sucker rod are arranged inside the oil pipe；
The sucker rod drives the oil well pump to pump, so that each fluid of horizontal well horizontal segment is under back-off sub
Enter the screen casing after the packer top mixing of side, and by oil pumping from oil pipe pumping to ground.
Specifically, the receiving system includes the signal receiver of wire connection；The signal receiver is logical
It crosses the wire and transfers to back-off sub upper end, close to the signal amplifier.
Specifically, the packer being arranged on the downside of the back-off sub is Y445 back-off packer in each packer,
His each packer is Y441 packer.
A kind of multistage pressure break horizontal well production profile method for real-timely testing produces liquid applied to above-mentioned multistage pressure break horizontal well
Section real-time testing system, the method includes：
Multistage comprehensive water cut flow tester is lowered into the horizontal segment of horizontal well by oil pipe, so that every level-one synthesis contains
Water flow tester is corresponding with a test zone；
It is suppressed in well mouth oil pipe so that each packer setting is by different test zone cards Fengkai, so that each test layer
Section, which is set, puts a comprehensive water cut flow tester；
Continue to suppress in well mouth oil pipe, and operation of giving up is carried out by releasing tool, and after giving up successfully, rises
Oil pipe more than back-off sub；
Pumping system is transferred to the straight well section of horizontal well, and opens oil well pump and pumps, so that different test zones
Fluid enter corresponding comprehensive water cut flow tester, to measure corresponding water-contained flow parameter, and pass through multicore cable biography
Transport to the signal amplifier；
Receiving system is transferred in the oil jacket annulus between pumping system and wellbore casing, signal amplifier is adopted
The water-contained flow parameter of collection carries out real-time reception, and obtains the Liquid output of different test zones according to pre-set test plate
And water content.
A kind of multistage pressure break horizontal well production profile real-time testing system provided in an embodiment of the present invention and test method are more
Section pressure break horizontal well production profile real-time testing system includes that the pumping system that horizontal well straight well section is arranged in and signal receive system
System, and the test string system being arranged in horizontal well horizontal segment；It is pumped by pumping system to connected pipes, so that
The fluid of different test zones enters corresponding comprehensive water cut flow tester；Every level-one comprehensive water cut flow tester is surveyed later
The water-contained flow parameter of the fluid of corresponding test zone is taken, and the signal amplifier is transmitted to by multicore cable；Later, believe
Number receiving system carries out real-time reception to the water-contained flow parameter at signal amplifier, and is obtained according to pre-set test plate
To the Liquid output and water content of different test zones.As it can be seen that the present invention can be surveyed in real time by multistage pressure break horizontal well production profile
Test system carries out the test of convenient and fast production profile, avoids and uses the prior art, and caused by site operation heavy workload, arrange
Long construction period is applied, when leveraging well recovery the problem of the performance of rate and production capacity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is that a kind of structure of multistage pressure break horizontal well production profile real-time testing system provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 is a kind of process of multistage pressure break horizontal well production profile method for real-timely testing provided in an embodiment of the present invention
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of multistage pressure break horizontal well production profile real-time testing system 10, packet
The pumping system 11 and receiving system 12 that horizontal well straight well section 20 is set are included, and is arranged in horizontal well horizontal segment 21
Test string system 13；The test string system 13 includes：Connected pipes 131, multistage comprehensive water cut flow tester
132, multiple packers 133, multicore cable 134, signal amplifier 135, guiding silk plug 136 and back-off sub 137.The connection
Comprehensive water cut flow testers 132 at different levels are arranged on the outside of the tubing string of oil pipe 131, so that every level-one comprehensive water cut flow tester
132 is corresponding with a test zone；The multicore cable 134 concatenates comprehensive water cut flow testers 132 at different levels, and connects institute
State signal amplifier 135；Each packer 133 is by each test zone card Fengkai；The guiding silk plug 136 is arranged in connected pipes
131 one end goed deep into inside horizontal well horizontal segment, the back-off sub 137, which is arranged, is located at horizontal well water in connected pipes 131
One end of the boundary of flat section and straight well section；One packer 133, the signal amplifier are set on the downside of the back-off sub 137
135 are arranged in the downside of the packer 133 of 137 downside of back-off sub；The pumping system 11 is arranged in the back-off sub 137
Upside；The receiving system 12 is arranged in the oil jacket annulus between pumping system 11 and wellbore casing 22.
The pumping system 11 pumps to connected pipes 131 so that the fluid of different test zone enter it is corresponding comprehensive
Close water-contained flow tester 132.
Every level-one comprehensive water cut flow tester 132 measures the water-contained flow parameter of the fluid of corresponding test zone, and
The signal amplifier 135 is transmitted to by multicore cable 134.
The receiving system 12 carries out real-time reception to the water-contained flow parameter at signal amplifier 135, and according to pre-
The test plate being first arranged obtains the Liquid output and water content of different test zones.
Specifically, as shown in Figure 1, the pumping system 11 includes screen casing 111, oil well pump 112, oil pipe 113 and sucker rod
114；The setting of screen casing 111 is arranged in 11 lower end of pumping system, the oil well pump 112 and sucker rod 114 in the oil pipe 113
It is internal；
The sucker rod 114 drives the oil well pump 112 to pump, so that each fluid of horizontal well horizontal segment is being given up
Enter screen casing 111 after 133 top of the packer mixing of the downside of connector 137, and by oil pumping from oil pipe 113 pumping to ground.
Specifically, as shown in Figure 1, the receiving system 12 includes the signal of a wire 121 (such as steel wire) connection
Receiver 122.The signal receiver 122 is transferred to give up and be connect by wire 121 by the self gravity of signal receiver 122
First 137 upper end, close to the signal amplifier 135.
Specifically, in each packer 133, the packer 133 being arranged on the downside of the back-off sub 137 is that Y445 gives up packing
Device, other each packers 133 are Y441 packer.
Corresponding to above-mentioned multistage pressure break horizontal well production profile real-time testing shown in FIG. 1, as shown in Fig. 2, the present invention is real
It applies example and a kind of multistage pressure break horizontal well production profile method for real-timely testing is also provided, produced applied to above-mentioned multistage pressure break horizontal well
Liquid section real-time testing system, the method includes：
Step 201, the horizontal segment that multistage comprehensive water cut flow tester is lowered into horizontal well by oil pipe, so that each
Grade comprehensive water cut flow tester is corresponding with a test zone.
Step 202 is suppressed in well mouth oil pipe so that each packer setting is by different test zone cards Fengkai, so that often
One test zone, which is set, puts a comprehensive water cut flow tester.
Step 203 continues to suppress, and carries out operation of giving up by releasing tool, and giving up into well mouth oil pipe
After function, act the oil pipe of back-off sub or more.
Step 204, the straight well section that pumping system is transferred to horizontal well, and open oil well pump and pump, so that different
The fluid of test zone enters corresponding comprehensive water cut flow tester, to measure corresponding water-contained flow parameter, and by more
Core cable transmission is to the signal amplifier.
Step 205 transfers to receiving system in the oil jacket annulus between pumping system and wellbore casing, to signal
The water-contained flow parameter of amplifier acquisition carries out real-time reception, and obtains different test zones according to pre-set test plate
Liquid output and water content.
The present invention realizes flow and aqueous test using comprehensive water cut flow tester, in real time using underground segmentation card envelope
Understand each test zone of horizontal well and produce liquid information, while not needing well head admission data, greatly reduces site operation workload,
Shortening measure long construction period, saves Contraction in Site cost.
A kind of multistage pressure break horizontal well production profile real-time testing system provided in an embodiment of the present invention and test method are more
Section pressure break horizontal well production profile real-time testing system includes that the pumping system that horizontal well straight well section is arranged in and signal receive system
System, and the test string system being arranged in horizontal well horizontal segment；It is pumped by pumping system to connected pipes, so that
The fluid of different test zones enters corresponding comprehensive water cut flow tester；Every level-one comprehensive water cut flow tester is surveyed later
The water-contained flow parameter of the fluid of corresponding test zone is taken, and the signal amplifier is transmitted to by multicore cable；Later, believe
Number receiving system carries out real-time reception to the water-contained flow parameter at signal amplifier, and is obtained according to pre-set test plate
To the Liquid output and water content of different test zones.As it can be seen that the present invention can be surveyed in real time by multistage pressure break horizontal well production profile
Test system carries out the test of convenient and fast production profile, avoids and uses the prior art, and caused by site operation heavy workload, arrange
Long construction period is applied, when leveraging well recovery the problem of the performance of rate and production capacity.
Specific embodiment is applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (5)
1. a kind of multistage pressure break horizontal well production profile real-time testing system, which is characterized in that including being arranged in horizontal well straight well
The pumping system and receiving system of section, and the test string system being arranged in horizontal well horizontal segment；The testing tube
Column system includes：Connected pipes, multiple packers, multicore cable, signal amplifier, are led at multistage comprehensive water cut flow tester
To silk plug and back-off sub；Comprehensive water cut flow testers at different levels are arranged on the outside of the tubing string of the connected pipes, so that every level-one
Comprehensive water cut flow tester is corresponding with a test zone；The multicore cable is by comprehensive water cut flow tester strings at different levels
It connects, and connects the signal amplifier；Each packer is by each test zone card Fengkai；The guiding silk plug is arranged in connected pipes
The one end goed deep into inside horizontal well horizontal segment, the back-off sub, which is arranged, is located at horizontal well horizontal segment and straight well in connected pipes
One end of the boundary of section；One packer is set on the downside of the back-off sub, and the signal amplifier is arranged under back-off sub
The downside of the packer of side；The pumping system is arranged on the upside of the back-off sub；The receiving system setting is being taken out
It draws in the oil jacket annulus between system and wellbore casing；
The pumping system pumps to connected pipes, so that the fluid of different test zones enters corresponding comprehensive water cut stream
Tester；
Every level-one comprehensive water cut flow tester measures the water-contained flow parameter of the fluid of corresponding test zone, and by more
Core cable transmission is to the signal amplifier；
The receiving system carries out real-time reception to the water-contained flow parameter at signal amplifier, and according to pre-set
Test plate obtains the Liquid output and water content of different test zones.
2. multistage pressure break horizontal well production profile real-time testing system according to claim 1, which is characterized in that the pumping
The system of drawing includes screen casing, oil well pump, oil pipe and sucker rod；The screen casing is arranged in pumping system lower end, the oil well pump and pumping
Beam hanger is arranged inside the oil pipe；
The sucker rod drives the oil well pump to pump, so that each fluid of horizontal well horizontal segment is on the downside of back-off sub
Enter the screen casing after the mixing of packer top, and by oil pumping from oil pipe pumping to ground.
3. multistage pressure break horizontal well production profile real-time testing system according to claim 1, which is characterized in that the letter
Number reception system includes the signal receiver of wire connection；The signal receiver is transferred to by the wire and is given up
Upper end of joint, close to the signal amplifier.
4. multistage pressure break horizontal well production profile real-time testing system according to claim 1, which is characterized in that described each
In packer, the packer being arranged on the downside of the back-off sub is Y445 back-off packer, other each packers are Y441 packing
Device.
5. a kind of multistage pressure break horizontal well production profile method for real-timely testing, which is characterized in that it is any to be applied to claim 1-4
Multistage pressure break horizontal well production profile real-time testing system described in, the method includes：
Multistage comprehensive water cut flow tester is lowered into the horizontal segment of horizontal well by oil pipe, so that every level-one comprehensive water cut stream
Tester is corresponding with a test zone；
It is suppressed in well mouth oil pipe so that each packer setting is by different test zone cards Fengkai, so that each test zone is set
Put a comprehensive water cut flow tester；
Continue to suppress in well mouth oil pipe, and operation of giving up is carried out by releasing tool, and after giving up successfully, rises and to give up
Oil pipe more than connector；
Pumping system is transferred to the straight well section of horizontal well, and opens oil well pump and pumps, so that the stream of different test zones
Body enters corresponding comprehensive water cut flow tester, to measure corresponding water-contained flow parameter, and is transmitted to by multicore cable
The signal amplifier；
Receiving system is transferred in the oil jacket annulus between pumping system and wellbore casing, to signal amplifier acquisition
Water-contained flow parameter carries out real-time reception, and obtains the Liquid output of different test zones according to pre-set test plate and contain
Water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810715214.5A CN108868744A (en) | 2018-07-03 | 2018-07-03 | A kind of multistage pressure break horizontal well production profile real-time testing system and test method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810715214.5A CN108868744A (en) | 2018-07-03 | 2018-07-03 | A kind of multistage pressure break horizontal well production profile real-time testing system and test method |
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| Publication Number | Publication Date |
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| CN201810715214.5A Pending CN108868744A (en) | 2018-07-03 | 2018-07-03 | A kind of multistage pressure break horizontal well production profile real-time testing system and test method |
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Application publication date: 20181123 |