CN105445424B - A kind of hydraulic fracture network analog device - Google Patents
A kind of hydraulic fracture network analog device Download PDFInfo
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- CN105445424B CN105445424B CN201510835615.0A CN201510835615A CN105445424B CN 105445424 B CN105445424 B CN 105445424B CN 201510835615 A CN201510835615 A CN 201510835615A CN 105445424 B CN105445424 B CN 105445424B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention belongs to oil-gas field development studying technological domain, hydraulic fracture network analog device provided by the invention, including fracturing fluid preparing tank and rear pump, data acquisition control plate and computer, further include simulation wellbore hole and simulation fracture, 24 inserting slot constructions are provided with around the simulation wellbore hole, phase angle between two adjacent inserting slot constructions is 15 degree, the simulation fracture includes two transparent plates being arranged in parallel, the transparent plate is provided at both ends with notch, and the notch is matched with the inserting slot construction.The present invention can effectively reflect migration and laying rule of the proppant in wall friction, zigzag crack and seam net, by the connection of slot and notch, can effectively control a variety of variables, such as slit width, fracture strike, a variety of seam web frames.
Description
Technical field
The invention belongs to oil-gas field development studying technological domain, is related to a kind of experiment simulated proppant and laid in crack
A kind of device, and in particular to hydraulic fracture network analog device.
Background technology
In hydraulic fracturing, laying rule of the proppant in crack is extremely important.After mulling liquid enters crack, proppant
Influenced by gravity, buoyancy, horizontal direction carrying power, resistance etc., there are concentration difference until there is sedimentation whaleback on the section of crack.
During site operation, since sedimentation whaleback influences crack top it is possible that invalid support, influences fracturing yield increasing correctional effect.Cause
Rule is migrated and laid to this proppant has important research significance to reservoir reconstruction.In the prior art, put down using single transparent
Slab simulates migration and laying rule of the proppant in crack, can only simulate single vertical masonry joint, can not effectively reflect proppant
In wall friction, the migration of zigzag crack and seam net and lay rule.Disclosed in Chinese patent application CN201210038946.8
A kind of experimental provision simulated proppant and laid in crack, the experimental provision are made of two coequal transparent plates
Man-made fracture and simulation wellbore hole composition, while include data acquisition control plate and computer and fracturing fluid preparing tank and rear pump
Etc. ancillary equipment, which is only capable of simulating the characteristics of motion of the fracturing fluid in crack in the case of single straight slit, therefore,
The characteristics of motion of fracturing fluid in middle different length, the bending cracks of can not truly reflecting reality, to be furtherd investigate, it is necessary to develop
Design it is a kind of can simulate adjustable fracture length, frictional resistance and the simulator of permeability in angle and crack.
The content of the invention
An object of the present invention is can only to simulate single vertical masonry joint to solve current hydraulic fracture network analog device, can not
A kind of the problem of effective migration for reflecting proppant in wall friction, zigzag crack and seam net and laying rule, there is provided more work(
Hydraulic fracture network analog device can be visualized.
Hydraulic fracture network analog device provided by the invention, including fracturing fluid preparing tank and rear pump, data acquisition control
Making sheet and computer, further include simulation wellbore hole and simulation fracture, and 24 inserting slot constructions are provided with around the simulation wellbore hole, adjacent
Two inserting slot constructions between phase angle be 15 degree, the simulation fracture includes two transparent plates being arranged in parallel, institute
The notch that is provided at both ends with of transparent plate is stated, the notch is matched with the inserting slot construction.
Further, the quantity of the simulation wellbore hole is at least one.
Further, the quantity of the simulation fracture is at least one.
The beneficial effects of the present invention are：The present invention can effectively reflect proppant in wall friction, zigzag crack and seam net
In migration and lay rule, by the connection of slot and notch, a variety of variables can be effectively controlled, as slit width, crack are walked
To, a variety of seam web frames etc., by setting seepage flow hole on transparent plate, device is set effectively to simulate fracturing fluid in the earth formation not
Same filtration rate.
Brief description of the drawings
Fig. 1 show hydraulic fracture network analog device top view of the present invention.
Fig. 2 show hydraulic fracture network analog device front view of the present invention.
Fig. 3 show the partial structural diagram of hydraulic fracture network analog device of the present invention.
In figure：101- transparent plates, 102- simulation wellbore holes, 103- simulation fractures.
Embodiment
Hydraulic fracture network analog device provided by the invention, including fracturing fluid preparing tank and rear pump, data acquisition control
Making sheet and computer, further include simulation wellbore hole 102 and simulation fracture 103,24 slots are provided with around the simulation wellbore hole 102
Structure, the phase angle between adjacent two inserting slot constructions is 15 degree, therefore can be connected mould by the slot with diverse location
Intend the crack of 15 degree, 30 degree, 45 degree etc. multiple angles；The simulation fracture 103 includes two transparent plates being arranged in parallel
101, the transparent plate 101 is provided at both ends with notch, and the notch is matched with the inserting slot construction.It is described
Different-thickness, the clear sheet of different roughness can be selected in bright tablet 101, coarse with wall for simulating different Cracking Thickness
Degree.
Further, the quantity of the simulation wellbore hole 102 is at least one.
Further, the quantity of the simulation fracture 103 is at least one.By varying simulation wellbore hole 102 quantity and
The quantity of simulation fracture 103, can simulate length, corner and the quantity in different cracks.
Below in conjunction with specific embodiment detailed description of the present invention content.It should be noted that retouched in following embodiments
The combination of the technical characteristic or technical characteristic stated is not construed as isolated, they can be mutually combined so as to reaching
Superior technique effect.
Embodiment 1
As depicted in figs. 1 and 2, a kind of multifunctional visible hydraulic fracture network analog device provided by the invention includes mould
Intend pit shaft 102 and simulation fracture 103, simulation wellbore hole 102 are connected with simulation fracture 103, to form different length, different angle
Crack simulated.24 inserting slot constructions are provided with around the simulation wellbore hole 102, between adjacent two inserting slot constructions
Phase angle be 15 degree, therefore simulation fracture 103 can be connected by the slot with diverse location simulate 15 degree, 30 degree, 45 degree etc.
The crack of multiple angles；As shown in figure 3, the simulation fracture 103 includes two transparent plates 101 being arranged in parallel, with directly perceived
Sand rule is taken in ground observation, and the transparent plate 101 is provided at both ends with notch, the notch and the inserting slot construction
Matching.Different-thickness, the clear sheet of different roughness can be selected in the transparent plate 101, thick for simulating different cracks
Degree and wall roughness.
Although having been presented for some embodiments of the present invention herein, it will be appreciated by those of skill in the art that
Without departing from the spirit of the invention, the embodiments herein can be changed.Above-described embodiment is only exemplary, no
Restriction that should be using the embodiments herein as interest field of the present invention.
Claims (1)
1. a kind of hydraulic fracture network analog device, including fracturing fluid preparing tank and rear pump, data acquisition control plate and calculating
Machine, it is characterised in that it includes simulation wellbore hole and simulation fracture, be provided with 24 inserting slot constructions around the simulation wellbore hole, it is adjacent
Two inserting slot constructions between phase angle be 15 degree, the simulation fracture includes two transparent plates being arranged in parallel, institute
The notch that is provided at both ends with of transparent plate is stated, the notch is matched with the inserting slot construction；The simulation wellbore hole
Quantity is at least one；The quantity of the simulation fracture is at least one；It is thick that different-thickness, difference can be selected in the transparent plate
The clear sheet of rugosity, for simulating different Cracking Thickness and wall roughness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510835615.0A CN105445424B (en) | 2015-11-25 | 2015-11-25 | A kind of hydraulic fracture network analog device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510835615.0A CN105445424B (en) | 2015-11-25 | 2015-11-25 | A kind of hydraulic fracture network analog device |
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| Publication Number | Publication Date |
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| CN105445424A CN105445424A (en) | 2016-03-30 |
| CN105445424B true CN105445424B (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510835615.0A Expired - Fee Related CN105445424B (en) | 2015-11-25 | 2015-11-25 | A kind of hydraulic fracture network analog device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109138996B (en) * | 2018-08-16 | 2022-02-15 | 四川大学 | Grid visualization hydraulic fracturing fracture dynamic expansion simulation device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363822A (en) * | 2007-08-10 | 2009-02-11 | 中国石油天然气股份有限公司 | Transparent parallel board device for researching fracture acidizing fluid viscous |
| CN201218811Y (en) * | 2008-06-19 | 2009-04-08 | 中国石油天然气股份有限公司 | Parallel board slit simulation apparatus for acid rock reaction |
| CN201778803U (en) * | 2010-02-26 | 2011-03-30 | 江苏工业学院 | Vertical fracture flow conductivity evaluation experimental device |
| CN102590888B (en) * | 2012-02-20 | 2014-04-16 | 中国石油大学(华东) | Experimental device for simulating spreading of propping agent in crack and application thereof |
| CN104612646A (en) * | 2014-12-10 | 2015-05-13 | 中国石油大学(华东) | Checkerboard pattern visual hydraulic fracture simulating device |
| CN104792491A (en) * | 2015-03-11 | 2015-07-22 | 李骏 | Simulated multi-angle joint network propping agent sinking law device |
| CN104975837A (en) * | 2015-07-13 | 2015-10-14 | 中国石油大学(北京) | Hydraulic fracture initiation vertical extension control simulation device |
-
2015
- 2015-11-25 CN CN201510835615.0A patent/CN105445424B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363822A (en) * | 2007-08-10 | 2009-02-11 | 中国石油天然气股份有限公司 | Transparent parallel board device for researching fracture acidizing fluid viscous |
| CN201218811Y (en) * | 2008-06-19 | 2009-04-08 | 中国石油天然气股份有限公司 | Parallel board slit simulation apparatus for acid rock reaction |
| CN201778803U (en) * | 2010-02-26 | 2011-03-30 | 江苏工业学院 | Vertical fracture flow conductivity evaluation experimental device |
| CN102590888B (en) * | 2012-02-20 | 2014-04-16 | 中国石油大学(华东) | Experimental device for simulating spreading of propping agent in crack and application thereof |
| CN104612646A (en) * | 2014-12-10 | 2015-05-13 | 中国石油大学(华东) | Checkerboard pattern visual hydraulic fracture simulating device |
| CN104792491A (en) * | 2015-03-11 | 2015-07-22 | 李骏 | Simulated multi-angle joint network propping agent sinking law device |
| CN104975837A (en) * | 2015-07-13 | 2015-10-14 | 中国石油大学(北京) | Hydraulic fracture initiation vertical extension control simulation device |
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| CN105445424A (en) | 2016-03-30 |
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