CN203769767U - Horizontal-well physical simulation experiment device - Google Patents

Horizontal-well physical simulation experiment device Download PDF

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Publication number
CN203769767U
CN203769767U CN201320674273.5U CN201320674273U CN203769767U CN 203769767 U CN203769767 U CN 203769767U CN 201320674273 U CN201320674273 U CN 201320674273U CN 203769767 U CN203769767 U CN 203769767U
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China
Prior art keywords
horizontal well
high pressure
pipeline
back pressure
oil pipe
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Withdrawn - After Issue
Application number
CN201320674273.5U
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Chinese (zh)
Inventor
袁广均
王进安
许寻
杜利
刘超
郭娟
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China Petroleum and Chemical Corp
Exploration and Development Research Institute of Sinopec Zhongyuan Oilfield Co
Original Assignee
China Petroleum and Chemical Corp
Exploration and Development Research Institute of Sinopec Zhongyuan Oilfield Co
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Priority to CN201320674273.5U priority Critical patent/CN203769767U/en
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Publication of CN203769767U publication Critical patent/CN203769767U/en
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Abstract

The utility model relates to a horizontal-well physical simulation experiment device and particularly relates to an experiment device for simulating the development process of a horizontal well during indoor experiments. The experiment device is composed of an injection system, a horizontal-well physical simulation device, a mining system and a data analysis and collection system. By adoption of an actual core, different ways of development of a horizontal well can be subjected to dynamic simulation, mining processes such as depletion-driven development, gas-injection huff and puff and displacement, and segmented perforating mining of the horizontal well can be simulated under the condition of high temperature and high pressure of an actual stratum. Meanwhile, the actual core can be used in the study of affect of the different ways of the development of the horizontal well upon improvement of a mining rate. Therefore, the device provides a basis for the numerical reservoir simulation and the field development adjustment of the horizontal well.

Description

Horizontal well physical simulation experiment device
Technical field
The utility model relates to horizontal well physical simulation experiment device, belongs to oil development experimental technique field, specifically a kind of experimental facilities of dummy level well development in laboratory experiment.
Background technology
At present, in oil development experimental technique field, horizontal wells PHYSICAL MODELING OF IN is mainly that applying three-dimensional physical analogy sandpack column carries out simulation mining experiment to the horizontal well of dissimilar oil-gas reservoir.This traditional experimental model device uses homogeneous fill out sand tube, can not reflect the non-homogeneity on true stratum and the physical property of formation fluid and flow regime.Application number is that 201210182456.5 patent discloses physical analog test apparatus under a kind of Horizontal Well, can be according to the requirement of experiment purpose layer, select after filler preparation, insert between simulation wellbore hole and housing, make different simulated formations, realize the experimental study of different experiments target zone.The defect of this device is that filler can only approximate simulation stratum, be difficult to consistent with actual formation rock core physical property, still can not reflect the horizontal wells situation under physical property and the true formation condition of layer fluid truly, can not simulate segmenting perforating situation conventional in current horizontal well development simultaneously.
Utility model content
The purpose of this utility model is that to overcome simulated formation and actual formation rock core physical property uniformity that the employing filler that exists in above-mentioned prior art makes poor, and be difficult to realize the defect of Simulated Water horizontal well segmenting perforating, provide a kind of horizontal well physical simulation experiment device, for reservoir numerical simulation and the on-site development adjustment of horizontal well provide foundation.
The purpose of this utility model is achieved in that
The utility model relates to horizontal well physical simulation experiment device, and this device is made up of injected system, horizontal well physical simulating device, extraction system, data analysis system, wherein:
Injected system is made up of high pressure constant voltage constant speed measuring pump, compounding device, and high pressure constant voltage constant speed measuring pump, compounding device are connected serially to the import of horizontal well physical simulating device by pipeline and valve; Compounding device is connected in parallel by communicating valve by HTHP sample device, piston intermediate receptacle.
Horizontal well physical simulating device presses measuring pump, constent temperature heater to form by core holding unit, rock core, bilayer sleeve, oil pipe, ring, and rock core is hollow tubular body, is socketed on bilayer sleeve outer tube wall; On bilayer sleeve, be reserved with seepage flow hole; Oil pipe is plugged in the centre bore of bilayer sleeve, has seepage flow hole on its tube wall; Core holding unit is wrapped up by three groups of independent adjustable constant temperature heaters; On core holding unit, have pressurization hole, pressurization hole is connected to ring by pipeline and valve and presses measuring pump, and the outlet of horizontal well physical simulating device is connected serially to extraction system by pipeline and valve.
Extraction system is made up of temperature controlled air bath, high pressure observation port, back pressure control system, three phase separator, electronic balance, gas dosing meter.Back pressure control system regulates high-pressure metering pump to be composed in series by back pressure regulator, high pressure nitrogen intermediate receptacle, back pressure.Temperature controlled air is bathed as hollow box-shaped body, high pressure observation port and back pressure regulator, high pressure nitrogen intermediate receptacle are all arranged in temperature controlled air and bathe, high pressure observation port one end is bathed outer wall perforate by temperature controlled air and is connected with the outlet of horizontal well physical simulating device by pipeline, and the other end is connected with back pressure regulator by pipeline.Back pressure regulator is connected with three phase separator by pipeline again.Gas dosing meter is connected to three phase separator by pipeline.Electronic balance is for the liquid weight of metering three-phase eliminator effluent.
Data analysis system is made up of Density Measuring Instrument, gas chromatograph, computer.Density Measuring Instrument is for measuring the density of output liquid, and gas chromatograph carries out compound mensuration to output gas, and computer carries out integrated treatment analysis to Density Measuring Instrument and gas chromatograph determination data.
The beneficial effects of the utility model are: the utility model use natural core and truly layer fluid, and carry out horizontal well exhaustion exploitation, the experiment of handling up, segmentation exploitation and gas drive and improve the researchs such as recovery ratio.Adopt full diameter natural core and actual formation fluid simulation horizontal well development, more approach the underground truth of oil reservoir that will simulate, simulation precision is higher; By mobile oil pipe, seepage flow hole on oil pipe is communicated with bilayer sleeve seepage flow hole, segmenting perforating is simulated, realized the dynamic analog to horizontal well in segments exploitation in indoor Physical Experiment; By development schemes such as the exhaustion exploitation under HTHP formation condition of Simulated Water horizontal well, huff and puff and gas injection displacements, research level well improves the method for recovery ratio, and the reservoir numerical simulation and the on-site development adjustment that improve recovery ratio for horizontal well provide foundation.
Brief description of the drawings
Fig. 1 is the schematic diagram of horizontal well physical simulation experiment device of the present utility model;
Fig. 2 is the front view of horizontal well physical simulating device of the present utility model;
Fig. 3 is the lateral view of horizontal well physical simulating device of the present utility model;
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Detailed description of the invention:
By reference to the accompanying drawings the utility model is described further:
As shown in Figure 1, the utility model is made up of injected system, horizontal well physical simulating device, extraction system, data analysis system, wherein:
Injected system is made up of high pressure constant voltage constant speed measuring pump 2a, compounding device, and high pressure constant voltage constant speed measuring pump 2a, compounding device are connected serially to horizontal well physical simulating device import 1e by valve 2b and pipeline 2f; Compounding device is connected in parallel to high pressure constant voltage constant speed measuring pump 2a by HTHP sample device 2d, piston intermediate receptacle 2e by communicating valve 2c.
From Fig. 2 and Fig. 3, horizontal well physical simulating device presses measuring pump 1g, constent temperature heater to form by core holding unit 1a, rock core 1b, bilayer sleeve 1c, oil pipe, ring, and rock core 1b is hollow tubular body, is socketed on bilayer sleeve 1c outer tube wall; On bilayer sleeve 1c, be reserved with seepage flow hole; Oil pipe is plugged in the centre bore of bilayer sleeve 1c, has seepage flow hole on its tube wall; On core holding unit 1a, be enclosed with adjustable constant temperature heater; On core holding unit 1a, have pressurization hole 1h, pressurization hole 1h is connected to ring by pipeline and valve and presses measuring pump 1g, and horizontal well physical simulating device outlet 1f is connected serially to extraction system by pipeline and valve.
Described oil pipe is divided into three, and oil pipe 1d1, oil pipe 1d2, oil pipe 1d3 mono-word order are arranged, and all have seepage flow hole on the tube wall of three oil pipes, can carry out three sections of perforation simulated experiments.
Referring to Fig. 1, extraction system by temperature controlled air bathe 3a, high pressure observation port 3b, back pressure control system, three phase separator 3f, electronic balance 3h, gas dosing meter 3g forms, back pressure control system regulates high-pressure metering pump 3e to be composed in series by back pressure regulator 3c, high pressure nitrogen intermediate receptacle 3d, back pressure; It is hollow box-shaped body that temperature controlled air is bathed 3a, high pressure observation port 3b and back pressure regulator 3c, high pressure nitrogen intermediate receptacle 3d are arranged in temperature controlled air and bathe 3a, high pressure observation port 3b one end is bathed the perforate of 3a outer wall by temperature controlled air and is connected with horizontal well physical simulating device outlet 1f by pipeline, and the other end is connected with back pressure regulator 3c by pipeline; Back pressure regulator 3c connects with three phase separator 3f by pipeline; Gas dosing meter 3g is connected to three phase separator 3f by pipeline; Electronic balance 3h is for the liquid weight of metering three-phase eliminator 3f effluent.
Data analysis system is made up of Density Measuring Instrument 4a, gas chromatograph 4b, computer 4c, computer 4c is connected to electronic balance 3h and gas quantifier 3g by Density Measuring Instrument 4a, chromatography 4b respectively, and by computer 4c, Density Measuring Instrument 4a and gas chromatograph 4b determination data is carried out to integrated treatment analysis.
The use step of the horizontal well physical simulation experiment device that the utility model relates to is as follows:
A) carry out the preparation of rock core: some full diameter column true core 1b are carried out to washing oil, oven dry, measure degree of porosity and air permeability, bore again the circular hole of fixed diameter by requirement of experiment at rock core 1b middle part, then according to every rock core length and permeability, sort and pack into successively in heat-shrink tube according to Bradley rule, be assembled into the long rock core of 1 meter, with packing in core holding unit 1a after gum cover sealing.
B) set up reservoir model: first rock core 1b in core holding unit 1a is vacuumized, then according to the formation water salinity preparation formation water sample of simulating oil deposit, by high pressure constant voltage constant speed measuring pump, 2a is injected into the formation water preparing in core holding unit 1a, carry out saturated to rock core 1b with stratum water sample, then with formation water in degassed crude displacement rock core 1b, set up the irreducible water saturation of rock core 1b, again by the prime stratum mother oil displacement degassed crude preparing in HTHP sample device 2d, the in-place oil gas-oil ratio continuous detecting flowing out when rock core 1b outlet keeps stable for five times, and consistent with the gas-oil ratio of prepared in-place oil, can think saturation in-place oil of rock core 1b, thereby set up horizontal well experiment reservoir model.
C) carry out physical simulation experiment: the reservoir model that application establishes is carried out experiment, dummy level well development process.Rock core 1b is used for simulated formation, rock core centre bore Simulated Water horizontal well section, and the bilayer sleeve of bilayer sleeve 1c Simulated Water horizontal well, the perforation position that bilayer sleeve 1c is corresponding is reserved with seepage flow hole 1j1,1j2,1j3.In bilayer sleeve 1c, put into 3 oil pipe 1d1,1d2,1d3, by pressurization realizes the sealing between sealing and oil pipe 1d1,1d2,1d3 and the bilayer sleeve 1c between bilayer sleeve 1c and rock core 1b to bilayer sleeve.Seepage flow hole 1k2 is reserved in oil pipe 1d2 analogue perforation position, position reserved seepage flow hole 1k1,1k3 that oil pipe d1,1d3 stagger at analogue perforation; The temperature of core holding unit 1a is controlled by three groups of independent adjustable constant temperature heater 1m1,1m2,1m3; On core holding unit 1a, have pressurization hole 1h, the ring that pressurization hole 1h is connected to for simulating burden pressure by pipeline and valve is pressed measuring pump 1g; Reservoir model carries out displacement by injected system to reservoir model after setting up, and dummy level well development is adjusted seepage flow hole 1k1,1k3 position by mobile oil pipe 1d1,1d3, simulation segmenting perforating development process;
D) carry out data acquisition: carry out flow regime observation, output object metering and data acquisition by extraction system.Utilizing temperature controlled air to bathe 3a remains on extraction part under specified temp, can under reservoir pressure and temperature condition, observe the phase Characteristics of rock core effluent by high pressure observation port 3b, back pressure control system regulates high-pressure metering pump 3e to form by back pressure regulator 3c, high pressure nitrogen intermediate receptacle 3d and back pressure, utilizes back pressure control system to carry out the outlet pressure of control system; Effluent in experimentation separates in Oil, Water, Gas three phase separator 3f, and the weight of liquid claims by electronic balance 3h, and gas measures by gas dosing meter 3g.
E) carry out data analysis: output object and related data that Application density instrument, gas chromatograph, computer obtain extraction system are analyzed summary, draw experiment conclusion, and experiment is carried out to aggregation process.Output oil is by Density Measuring Instrument 4a density measurement, gas carries out component analysis by gas chromatograph 4b, final data carries out aggregation process through computer 4c corresponding software, draws the component of variation, output gas of output oil quality, density, the speed of response and each component proportion, the temperature of displacement test, pressure, recovery ratio analysis report.

Claims (3)

1. a horizontal well physical simulation experiment device, is made up of injected system, horizontal well physical simulating device, extraction system, data analysis system, it is characterized in that:
Described injected system is made up of high pressure constant voltage constant speed measuring pump (2a), compounding device, and high pressure constant voltage constant speed measuring pump (2a), compounding device are connected serially to horizontal well physical simulating device import (1e) by valve (2b) and pipeline (2f); Compounding device is connected in parallel to high pressure constant voltage constant speed measuring pump (2a) by HTHP sample device (2d), piston intermediate receptacle (2e) by communicating valve (2c);
Described horizontal well physical simulating device presses measuring pump (1g), constent temperature heater to form by core holding unit (1a), rock core (1b), bilayer sleeve (1c), oil pipe, ring, rock core (1b) is hollow tubular body, is socketed on bilayer sleeve (1c) outer tube wall; On bilayer sleeve (1c), be reserved with seepage flow hole; Oil pipe is plugged in the centre bore of bilayer sleeve (1c), has seepage flow hole on its tube wall; Core holding unit (1a) is upper by being enclosed with adjustable constant temperature heater; On core holding unit (1a), have pressurization hole, pressurization hole is connected to ring by pipeline and valve and presses measuring pump (1g), and horizontal well physical simulating device outlet (1f) is connected serially to extraction system by pipeline and valve.
2. horizontal well physical simulation experiment device according to claim 1, it is characterized in that: described oil pipe is divided into three, oil pipe (1d1), oil pipe (1d2), oil pipe (1d3) word order are arranged, and all have seepage flow hole on the tube wall of three oil pipes.
3. horizontal well physical simulation experiment device according to claim 1, extraction system is made up of temperature controlled air bath (3a), high pressure observation port (3b), back pressure control system, three phase separator (3f), electronic balance (3h), gas dosing meter (3g), it is characterized in that: back pressure control system regulates high-pressure metering pump (3e) to be composed in series by back pressure regulator (3c), high pressure nitrogen intermediate receptacle (3d), back pressure; It is hollow box-shaped body that temperature controlled air is bathed (3a), high pressure observation port (3b) and back pressure regulator (3c), high pressure nitrogen intermediate receptacle (3d) are all arranged in temperature controlled air and bathe (3a), high pressure observation port (3b) one end is bathed the perforate of (3a) outer wall by temperature controlled air and is connected with horizontal well physical simulating device outlet (1f) by pipeline, and the other end is connected with back pressure regulator (3c) by pipeline; Back pressure regulator (3c) is connected with three phase separator (3f) by pipeline again; Gas dosing meter (3g) is connected to three phase separator (3f) by pipeline.
CN201320674273.5U 2013-10-29 2013-10-29 Horizontal-well physical simulation experiment device Withdrawn - After Issue CN203769767U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103527185A (en) * 2013-10-29 2014-01-22 中国石油化工股份有限公司 Horizontal-well physical simulation experiment device and experimental method thereof
CN104265266A (en) * 2014-09-05 2015-01-07 中海石油(中国)有限公司深圳分公司 Horizontal well water controlling completion method evaluation experiment device
CN104594886A (en) * 2014-10-31 2015-05-06 中国石油天然气股份有限公司 Simulation device for oil and gas reservoir type gas storage
CN110244023A (en) * 2019-07-02 2019-09-17 西南石油大学 The measuring method that the physical analogy of seam full-hole core is combined with numerical simulation
CN110485975A (en) * 2019-07-29 2019-11-22 西南石油大学 A kind of horizontal well acidizing large scale acidizing wormhole simulator and experimental method
CN112031727A (en) * 2020-09-03 2020-12-04 中国石油大学(北京) Physical simulation device and method for fracturing horizontal well multi-medium throughput

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103527185A (en) * 2013-10-29 2014-01-22 中国石油化工股份有限公司 Horizontal-well physical simulation experiment device and experimental method thereof
CN104265266A (en) * 2014-09-05 2015-01-07 中海石油(中国)有限公司深圳分公司 Horizontal well water controlling completion method evaluation experiment device
CN104265266B (en) * 2014-09-05 2017-01-25 中海石油(中国)有限公司深圳分公司 Horizontal well water controlling completion method evaluation experiment device
CN104594886A (en) * 2014-10-31 2015-05-06 中国石油天然气股份有限公司 Simulation device for oil and gas reservoir type gas storage
CN110244023A (en) * 2019-07-02 2019-09-17 西南石油大学 The measuring method that the physical analogy of seam full-hole core is combined with numerical simulation
CN110485975A (en) * 2019-07-29 2019-11-22 西南石油大学 A kind of horizontal well acidizing large scale acidizing wormhole simulator and experimental method
CN112031727A (en) * 2020-09-03 2020-12-04 中国石油大学(北京) Physical simulation device and method for fracturing horizontal well multi-medium throughput
CN112031727B (en) * 2020-09-03 2022-03-04 中国石油大学(北京) Physical simulation device and method for fracturing horizontal well multi-medium throughput

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No.

Patentee after: SINOPEC

Patentee after: CHINA PETROLEUM & CHEMICAL CORPORATION ZHONGYUAN OILFIELD BRANCH EXPLORATION AND DEVELOPMENT RESEARCH INSTITUTE

Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No.

Patentee before: SINOPEC

Patentee before: Exploration and development research institute of Zhongyuan Oil Field Branch, China Petrochemical Corp., Ltd.

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20140813

Effective date of abandoning: 20170329