CN106483045B - For testing the experimental rig and method of Inter-zonal packing performance after cement sheath perforation - Google Patents
For testing the experimental rig and method of Inter-zonal packing performance after cement sheath perforation Download PDFInfo
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- CN106483045B CN106483045B CN201610895932.6A CN201610895932A CN106483045B CN 106483045 B CN106483045 B CN 106483045B CN 201610895932 A CN201610895932 A CN 201610895932A CN 106483045 B CN106483045 B CN 106483045B
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- cement sheath
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
Abstract
The invention discloses the experimental rigs and method for testing Inter-zonal packing performance after cement sheath perforation.The device is mainly made of analog casing, simulation country rock, autoclave body, heating mantle, interior press pump, thermocouple, flowmeter and computer.This method is as follows: after cement slurry solidifies in the annular space between analog casing and simulation country rock, oil, gas or water are passed through into casing, apply pressure into casing by interior press pump, if cement sheath is damaged under the effect of casing internal pressure, then oil, gas or water will alter on the interface of the interface of analog casing and cement sheath, cement ring body, cement sheath and simulation country rock to cement sheath end face, by being mounted on the size of the flow measurement constant flow of end face, the Inter-zonal packing performance after determining cement sheath perforation.The principle of the invention is reliable, easy to operate, can be measured after cement sheath perforation to the packing performance of oil, gas and water in the case where simulating different casing programmes, keep the safety in production for the oil field later period and provide technical support.
Description
Technical field
The present invention relates in oilfield explorating developing process for testing the test of Inter-zonal packing performance after cement sheath perforation
Device and method.
Background technique
After well cementing operation, the grout cures being filled in casing and Sidewall Surrounding Rock annular space are formed by cement sheath, have
Support, protection sleeve pipe, packing oil, gas and water layer, the effect for preventing interlayer from mutually altering.In petroleum resources recovery process, perforation completion is made
For current most commonly used completion mode both at home and abroad, play the role of for well production increment vital.Cement sheath belongs to crisp
Property material, necessarily have certain damage to cement sheath during perforating job, if being affected, to the Inter-zonal packing of cement sheath
Performance brings baptism, and then influences safety in production and the service life of entire oil/gas well.
While perforation completion is constantly promoted, wellbore integrity is increasingly taken seriously after perforation, and existing research is led
The damage of perforation rear sleeve and intensity effect are concentrated on, the damage study of cementing concrete ring after perforation is related to less and existing
Mainly focus on the analysis and finite element modelling of theoretical model in research.The country is to the Inter-zonal packing performance study after cement sheath perforation
It starts late, has been only aware of the importance of cement sheath Inter-zonal packing, the still tool without energy real simulation underground situation at this stage
Body test device and test method.
Summary of the invention
The purpose of the present invention is to provide the experimental rig for testing Inter-zonal packing performance after cement sheath perforation, the devices
Principle is reliable, easy to operate, can measure in the case where simulating different casing programmes after cement sheath perforation to the envelope of oil, gas and water
Separating performance determines perforation to the degree of injury of cement sheath by comparison changes in flow rate, and compensating for can not be examined by laboratory facilities
The deficiency of Inter-zonal packing performance after survey cement sheath perforation.
Another object of the present invention, which also resides in provide, utilizes Inter-zonal packing performance after above-mentioned apparatus test cement sheath perforation
Method, by pressurizeing into casing, fluid enters cement ring body along perforation tunnel and alters to end face, observation and cement this method
The meter readings of ring end face connection, the Inter-zonal packing performance after determining cement sheath perforation provide for the safety in production of oil field later period
Technical support.
To reach the above technical purpose, the present invention provides following technical scheme.
For testing the experimental rig of Inter-zonal packing performance after cement sheath perforation, mainly by analog casing, simulation country rock, kettle
Body, heating mantle, interior press pump, thermocouple, flowmeter and computer form, and have heating mantle outside the autoclave body, inside has simulation to enclose
Rock and analog casing, the cement sheath for thering are grout cures to be formed in the annular space that analog casing and simulation country rock are formed, simulation set
There are several to simulate perforation tunnel on pipe, the autoclave body has a upper kettle cover and lower kettle cover, upper kettle cover and it is lower between kettle cover and autoclave body
There are rubber sheet gasket and sealing ring, and be connected through a screw thread, there are two holes for upper kettle cover, and a hole is connected to analog casing and is inserted with heat
Galvanic couple, another hole are connected to cement sheath end face and connect flowmeter, and lower kettle cover has a hole connection analog casing and passes through pump
Pressure valve connects interior press pump, and the thermocouple, flowmeter, heating mantle and interior press pump are all connected with computer.
The simulation country rock is placed in autoclave body, and is close to inner wall of kettle, by adjusting simulation country rock inner diameter size and the center of circle
Position, it is eccentric to simulate different wellbores and cement sheath.By pressurizeing into casing, fluid enters cement sheath along simulation perforation tunnel
Ontology is simultaneously altered to end face, the meter readings connecting with cement sheath end face is observed, to determine the Inter-zonal packing after cement sheath perforation
Performance.
The upper kettle cover, lower kettle cover and autoclave body carry out assembly and connection by screw thread, and each part is detachable.
The method for testing Inter-zonal packing performance after cement sheath perforation using above-mentioned apparatus, process are as follows: cement slurry is being simulated
In annular space between casing and simulation country rock after solidification, according to practical geology operating condition, it is passed through oil, gas or water into casing, passes through
Interior press pump applies pressure into casing, so that oil, gas or the water of the inside is entered cement ring body along simulation perforation tunnel, if water
Mud ring is damaged under the effect of casing internal pressure, then oil, gas or water by along the interface of analog casing and cement sheath, cement ring body,
It alters on the interface of cement sheath and simulation country rock to cement sheath end face, the size of the flow measurement constant flow by being mounted on end face,
Inter-zonal packing performance after determining cement sheath perforation.
After cement sheath perforation Inter-zonal packing performance test experiment successively the following steps are included:
(1) according to the operating condition of live oil well, contrived experiment temperature, autoclave body, simulation country rock preheating；
(2) analog casing equipped with simulation perforation tunnel is installed to autoclave body lower cover；
(3) according to specification " oil-well cement test method " (GB/T19139-2003) prepare cement slurry, by cement slurry fill to
Casing and simulation country rock are formed by annular space；
(4) simulation perforation tunnel is taken out when cement slurry condensation is in modeling solid-state, installs kettle cover；
(5) cement sheath is conserved to age of constructing according to field working conditions；
(6) according to underground geological condition, it is passed through oily (gas and water) into casing, utilizes interior press pump adjusting sleeve pipe internal pressure, observation
Whether flowmeter has reading；
(7) good Inter-zonal packing performance is still kept after proving cement sheath perforation if non-metering, otherwise shows cement
Ring is impaired.
Compared with prior art, the invention has the following advantages:
(1) principle of the invention is reliable, easy to operate, low in cost, multiple functional；
(2) it can be measured when simulating different casing programmes after cement sheath perforation to the packing performance of oil, gas or water；
(3) determine perforation to the degree of injury of cement sheath by comparison changes in flow rate；
(4) deficiency that Inter-zonal packing performance after cement sheath perforation can not be detected by laboratory facilities is compensated for.
Detailed description of the invention
Fig. 1 is the experimental rig structural schematic diagram for testing Inter-zonal packing performance after cement sheath perforation.
In figure: 1 analog casing, 2 cement sheaths, 3 simulation perforation tunnels, 4 simulation country rocks, 5 autoclave bodies, 6 heating mantles, 7 lower kettle covers,
8 rubber sheet gaskets, 9 sealing rings, 10 pump pressure valves, press pump in 11, kettle cover on 12,13 screw threads, 14 thermocouples, 15 flowmeters, 16 meters
Calculation machine.
Specific embodiment
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
Referring to Fig. 1.
For testing the experimental rig of Inter-zonal packing performance after cement sheath perforation, mainly by analog casing 1, simulation country rock 4,
Autoclave body 5, heating mantle 6, interior press pump 11, thermocouple 14, flowmeter 15 and computer 16 form, and have heating mantle outside the autoclave body 5
6, there are simulation country rock 4 and analog casing 1 in inside, has grout cures to be formed in the annular space that analog casing and simulation country rock are formed
Cement sheath 2, there are on analog casing several to simulate perforation tunnel 3, the autoclave body has upper kettle cover 12 and lower kettle cover 7, upper kettle cover
And it is lower have rubber sheet gasket 8 and sealing ring 9 between kettle cover and autoclave body, and connected by screw thread 13, upper kettle cover 12 is there are two hole, one
A hole is connected to analog casing 1 and is inserted with thermocouple 14, another hole is connected to 2 end face of cement sheath and connect flowmeter 15, under
Kettle cover 7 has hole connection analog casing 1 and connects interior press pump 11 by being pumped valve 10, the thermocouple 14, flowmeter 15,
Heating mantle 6 and interior press pump 11 are all connected with computer 16.
After cement sheath perforation Inter-zonal packing performance test experiment, successively the following steps are included:
(1) experimental rig is assembled, corresponding experimental temperature, instrument preheating are set；
(2) analog casing 1 with simulation perforation tunnel 3 is mounted on lower kettle cover 7；
(3) prepared cement slurry is poured into analog casing 1 and simulates the annular space that country rock 4 is formed；
(4) simulation perforation tunnel 3 is taken out after grout cures, to form perforation tunnel, kettle cover 12, passes through silk in connection
Detain screwing hermetic；
(5) cement sheath is conserved to the construction requirement time；
(6) according to field operation operating condition and geological condition, it is passed through oil, gas or water into casing, is arranged by computer 16
Corresponding experimental pressure, opens valve, and observation flowmeter 15 reads situation of change；
(7) the Inter-zonal packing performance judgment after cement sheath perforation: observation meter readings show cement sheath if non-metering
Good Inter-zonal packing performance is still kept after perforation, perforation influences cement sheath less, if meter readings are obvious, to prove water
Mud ring is impaired, can not effectively play the effect of Inter-zonal packing, and reading shows that more greatly cement sheath is impaired more serious.
Claims (2)
1. the method for testing Inter-zonal packing performance after cement sheath perforation, by the examination of Inter-zonal packing performance after test cement sheath perforation
Experiment device complete, the device mainly by analog casing (1), simulation country rock (4), autoclave body (5), heating mantle (6), interior press pump (11),
Thermocouple (14), flowmeter (15) and computer (16) composition, the autoclave body (5) is external heating mantle (6), and inside has simulation to enclose
Rock (4) and analog casing (1), the cement sheath for thering are grout cures to be formed in the annular space that analog casing and simulation country rock are formed
(2), have on analog casing simulation perforation tunnel (3), the autoclave body has upper kettle cover (12) and lower kettle cover (7), upper kettle cover and lower kettle
There are a rubber sheet gasket (8) and sealing ring (9) between lid and autoclave body, and is connected by screw thread (13), there are two upper kettle covers (12) hole,
One hole is connected to analog casing (1) and is inserted with thermocouple (14), another hole is connected to cement sheath (2) end face and connect flow
It counts (15), lower kettle cover (7) has hole connection analog casing (1) and connects interior press pump (11), the thermocouple (14), flowmeter
(15), heating mantle (6) and interior press pump (11) are all connected with computer (16), and this method process is as follows: will be equipped with simulation perforation tunnel
Analog casing be installed to autoclave body lower cover, cement slurry is filled to casing and simulation country rock and is formed by annular space, it is solidifying to cement slurry
Simulation perforation tunnel is taken out when knot is in modeling solid-state, installs kettle cover；Annular space of the cement slurry between analog casing and simulation country rock
After interior solidification, it is passed through oil, gas or water into casing, pressure is applied into casing by interior press pump, makes oil, gas or the water edge of the inside
Simulation perforation tunnel enter cement ring body, if cement sheath is damaged under the effect of casing internal pressure, oil, gas or water will be along
It alters on the interface of analog casing and cement sheath, cement ring body, cement sheath and the interface of simulation country rock to cement sheath end face, passes through
It is mounted on the size of the flow measurement constant flow of end face, the Inter-zonal packing performance after determining cement sheath perforation.
2. testing the method for Inter-zonal packing performance after cement sheath perforation as described in claim 1, which is characterized in that the simulation
Country rock is placed in autoclave body, and is close to inner wall of kettle, by adjusting simulation country rock inner diameter size and center location, simulates different wellbores
With cement sheath bias.
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| CN114060006B (en) * | 2021-11-26 | 2023-11-03 | 西南石油大学 | Device for testing strength and sealing performance of cement sheath after perforation and application method thereof |
| CN115263277A (en) * | 2022-07-13 | 2022-11-01 | 西南石油大学 | Device and method for evaluating hydrostatic column pressure and pressure transmission capacity in well cementation cement slurry hardening |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0895097A2 (en) * | 1997-07-31 | 1999-02-03 | Schlumberger Limited (a Netherland Antilles corp.) | A method and apparatus for measuring well characteristics and formation properties |
| CN201843592U (en) * | 2010-10-18 | 2011-05-25 | 武汉海王机电工程技术公司 | Oil-gas well perforation ground dynamic simulation tester |
| CN202560207U (en) * | 2012-05-17 | 2012-11-28 | 东北石油大学 | Experimental device for determining cementation degree of interface of well cementation cement sheath |
| CN102979505A (en) * | 2012-12-06 | 2013-03-20 | 中国海洋石油总公司 | Well cementation cement sheath performance simulation experiment device and experiment method |
| US8531189B2 (en) * | 2010-02-08 | 2013-09-10 | Schlumberger Technology Corporation | Cement expansion measurement apparatus and method |
| CN104405366A (en) * | 2014-10-22 | 2015-03-11 | 西南石油大学 | Device and method for testing mechanical integrity of high-temperature high-pressure well cementation cement sheath |
| CN105041284A (en) * | 2015-05-14 | 2015-11-11 | 中国石油大学(北京) | Experimental device and method for integrity evaluation of oil and gas well fracturing working condition pitshaft |
-
2016
- 2016-10-14 CN CN201610895932.6A patent/CN106483045B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0895097A2 (en) * | 1997-07-31 | 1999-02-03 | Schlumberger Limited (a Netherland Antilles corp.) | A method and apparatus for measuring well characteristics and formation properties |
| US8531189B2 (en) * | 2010-02-08 | 2013-09-10 | Schlumberger Technology Corporation | Cement expansion measurement apparatus and method |
| CN201843592U (en) * | 2010-10-18 | 2011-05-25 | 武汉海王机电工程技术公司 | Oil-gas well perforation ground dynamic simulation tester |
| CN202560207U (en) * | 2012-05-17 | 2012-11-28 | 东北石油大学 | Experimental device for determining cementation degree of interface of well cementation cement sheath |
| CN102979505A (en) * | 2012-12-06 | 2013-03-20 | 中国海洋石油总公司 | Well cementation cement sheath performance simulation experiment device and experiment method |
| CN104405366A (en) * | 2014-10-22 | 2015-03-11 | 西南石油大学 | Device and method for testing mechanical integrity of high-temperature high-pressure well cementation cement sheath |
| CN105041284A (en) * | 2015-05-14 | 2015-11-11 | 中国石油大学(北京) | Experimental device and method for integrity evaluation of oil and gas well fracturing working condition pitshaft |
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