CN204730997U - A kind of simulation multi-angle seam net proppants settle down rule device - Google Patents
A kind of simulation multi-angle seam net proppants settle down rule device Download PDFInfo
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- CN204730997U CN204730997U CN201520137784.2U CN201520137784U CN204730997U CN 204730997 U CN204730997 U CN 204730997U CN 201520137784 U CN201520137784 U CN 201520137784U CN 204730997 U CN204730997 U CN 204730997U
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Abstract
The utility model relates to a kind of simulation multi-angle seam net proppants settle down rule device, comprise polylith poly (methyl methacrylate) plate, by the connection of multiple man-made fracture, form rectangular and branch-like seal cavity, seal cavity can as required, the factors such as adjustment quantity, length, angle, elasticity.Poly (methyl methacrylate) plate can allow experiment be observed intuitively, conveniently records experimental data.The utility model has taken into full account in the situation such as various cracks progression, fracture shape and relative angle, fracture length, wall loss, stratum confined pressure, allow the experiment of the laid situation of propping agent in man-made fracture can more real simulated field situation, improve experiment effect, have directive significance to on-the-spot pressing crack construction.
Description
Technical field
The utility model relates to a kind of simulation multi-angle seam net proppants settle down rule device, and the utility model belongs to the technical field of oil-gas field development.
Background technology
Along with a large amount of exploitations of domestic and international oil gas field, more and more hypotonic, fine and close hydrocarbon-bearing pool is difficult to exploit with usual manner.The unconventional petroleum resources comprising shale gas often needs to adopt waterfrac treatment to carry out stimulation work.Hydraulic fracturing technology is in order to obtain high yield, wherein a kind of mode makes shale form seam web frame, but due to the effect of stress on stratum, if the stratum pressed does not have propping agent fracture to fill, after fracturing fluid recovery (backflow), crack can close again; Propping agent has the natural sand of certain particle size and grating or artificial high strength ceramics particle, the laid crack that can not only support of effective propping agent prevents formation closure, and higher flow conductivity will be formed, allow the hydrocarbon resources in stratum pass arrival ground, crack, thus make oil gas field obtain higher output.Therefore, the effectively laid research of propping agent is also just particularly important.
The laid situation of propping agent passes judgment on the key factor of fracturing effect.But the propping agent visualization device of multi-angle seam net is studied less at home and abroad, be laid with in software simulation propping agent seam net substantially entirely, lack enough experiments and assist.Even if there is a small amount of experiment, also exists and consider the situations such as On-the-spot factor is few, experiment condition is too idealized, empirical model is too simple, be difficult to the on-the-spot real situation of reflection.
Apply for a patent for the experimental provision of crack inner support agent settlement law and laid rule at present: a kind of hydraulic fracturing proppants sedimentation and permeability proving installation (application number 201310023290.7), in seam, liquid takes sand analogue experiment installation (application number 201220133225.0), a kind of simulation volume fracturing complexity seam net propping agent (application number 201410325825.0), a kind of simulation fracturing fracture inner support agent sedimentation and laid experimental provision (application number 201420093980.X), a kind ofly simulate propping agent experimental provision laid in crack and application (application number 201210038946.8) thereof.But the following problem of said apparatus ubiquity: mesh-shaped can not be stitched according to scene and carry out structural adjustment; The seam web frame that shaft bottom is multi-level can not be reflected; Do not consider that wall is missed, the complex conditions that will inevitably occur in the on-the-spot pressing crack constructions such as stratum confined pressure.
Utility model content
For the problems referred to above, the utility model designs a kind of simulation multi-angle seam net proppants settle down rule device.
The utility model also provides the experimental technique of said apparatus when simulating multi-angle seam net proppants settle down rule.
The technical solution of the utility model is as follows:
A kind of simulation multi-angle seam net proppants settle down rule device, it is characterized in that, comprise man-made fracture, described man-made fracture, each section of composition comprises two pieces of parallel transparent plexiglass plates, affiliated poly (methyl methacrylate) plate four limit is covered with bolt hole, upper and lower both sides are connected to sealing joint strip and pressing plate by bolt chain, and the opening at two ends, left and right is by bolt link flange, and flange can connect soft joint, single or multiple soft joint connects man-made fracture, forms continuous multiple-limb shape seal cavity.
Described poly (methyl methacrylate) plate is arranged can the uniform aperture of shutoff.
Described metal frame is divided into two kinds, and one is " day " font metal frame, and two ends are provided with flange, and the side of middle metal frame part is provided with strap bolt hole opening, and opening part can joint flange; One is " mouth " font metal frame, is only provided with flange at two ends.Each flange all can connect soft joint, can, between each section of man-made fracture, adopt soft joint to connect.
Described soft joint, can adjust angle in varied situations, allows the angle between the seams at different levels such as main seam, one-level seam, secondary seam change as required.Described man-made fracture need use in conjunction with strutting system, and strutting system can adopt various structure, but the easily detachable requirement of demand fulfillment, can support in experimentation and fix each man-made fracture, not being moved in experimentation.
According to the utility model, institute is preferred, and at seam end at different levels, flange also can adopt plugging part to seal flange simultaneously, forms closing end.Described plugging part is the block rubber that size is arranged according to opening shape.Described man-made fracture, under soft joint connects, can connect multiple man-made fracture, adjustable relative angle between each man-made fracture, the basis of major fracture can arrange multiple subordinates crack, equally, subordinate crack can arrange more subordinate crack.
According to the utility model, institute is preferred, and described apparatus main body is organic glass material, and the resistance to compression pressure of described organic glass is less than or equal to 0.5Mpa.Transparent organic plastic plate is not easily broken, is conducive to long-time maintenance and the cleaning of equipment.The anti-pressure ability of organic glass is poor simultaneously, and for preventing experimental provision from bursting or occurring that other exceed the problem after the device pressure-bearing limit, the experiment carried out in the apparatus must be carried out in pressure limit.
According to the utility model, institute is preferred, and aperture set on the poly (methyl methacrylate) plate of this experimental provision is distributed in surface, and geomery is consistent, can when needs, block part aperture, the leaking liquid amount of adjustment poly (methyl methacrylate) plate, the infiltration situation on more real simulated field stratum.
According to the utility model, institute is preferred, the one-level seam of this experimental provision design and the angle of main seam are 30 degree, 60 degree, 90 degree, the angle that secondary seam and one-level are stitched is 45 degree, 60 degree, 90 degree, and can unconfined connection three grades of cracks, level Four crack even more multistage.
A kind of said apparatus that utilizes is in the principle of work of simulation multi-angle seam net proppants settle down rule:
Injecting fracturing liquid by main seam porch opening, and then enter one-level seam, secondary seam by soft joint connection, finally return discharging liquid or discharge from man-made fracture distal opening, the laid state of eye split inner support agent can be facilitated by crossing transparent organic glass.
A kind of said apparatus that utilizes dynamically stitches the using method of net proppants settle down rule in simulation multi-angle:
(1) quantity experimentally required, viscosity etc., configuration sand-carrying agent;
(2) propping agent of preparing experiment requirement;
(3) branches at different levels seam is adjusted to wanted test angle, and fixing;
(4) experimentally requirement, regulates the folding amount of aperture on poly (methyl methacrylate) plate;
(5) check the cleanliness in described device, re-use if any after unclean should cleaning;
(6) first inject described device with clear water to circulate, check the sealing of described device, after confirming sealing, emptying device;
(7) Homogeneous phase mixing in mixing sand tank by described sand-carrying agent and described propping agent, forms mixed liquor; The experimentally discharge capacity of protocols call, pumps into described mixed liquor in described device;
(8), in experimentation, observe the laid process of propping agent, and record the laid state of propping agent.
(9), after off-test, cleaning experiment device, prepares next group experiment.
The utility model has the advantage of:
1. the man-made fracture in experimental provision described in the utility model is larger, and can adjust increase and decrease crack progression as required, and the crack during simulated field is constructed is more true, and data measured is more reliable, more can provide actual reference to scene;
2. man-made fracture adjustable angle described in the utility model, can simulate the laid rule of propping agent under the angle of different cracks, without the need to increasing other devices;
3. the flat board of man-made fracture described in the utility model is provided with can shutoff aperture, can according to the situation of Different Strata factor of porosity, comes the proppants settle down of simulated formation under different wall leak rates and laid rule.
4. man-made fracture described in the utility model connects by bolt, and every part can be dismantled separately, is easy to cleaning and changes parts.
Accompanying drawing explanation
Fig. 1 is the detailed maps of the single man-made fracture of " day " of the present utility model font;
Fig. 2 is the structural representation of the utility model embodiment;
Shown in figure: 1 is poly (methyl methacrylate) plate, 101 is aperture, and 102 is opening, 103 is bolt hole, and 2 is sealing joint strip, and 3 is pressing plate, 4 is flange, 5 is " day " font man-made fracture, and 6 is " mouth " font man-made fracture, and 7 is plugging part, 8 is soft joint, 9 is main seam, and 10 is one-level seam, and 11 is secondary seam.
Embodiment
Below in conjunction with Figure of description and embodiment, the utility model is described in detail, but is not limited thereto.
Embodiment 1,
As shown in Figure 1 and Figure 2, a kind of simulation multi-angle dynamically stitches net proppants settle down rule device, comprise man-made fracture, described man-made fracture, each section of composition comprises two pieces of parallel transparent plexiglass plates 1, and poly (methyl methacrylate) plate 1 four limit is around bolt hole 103, two ends up and down between poly (methyl methacrylate) plate 1 are equipped with sealing joint strip 2, the outside at the two ends up and down of poly (methyl methacrylate) plate 1 is equipped with pressing plate 3, and three is bolted compression, forms single enclosure space; Described poly (methyl methacrylate) plate 1 above setting unit can the uniform aperture 101 of shutoff, according to the situation of different zone permeabilities, can carry out optionally occluding member aperture 101, allow sand-carrying agent miss ratio closer to real wall leakage situation; Described poly (methyl methacrylate) plate 1 anti-pressure ability is less than or equal to 0.5Mpa, and experimentation needs strict Control release condition to make it meet poly (methyl methacrylate) plate 1 resistance to compression scope; Described man-made fracture is divided into two kinds, one is " day " font man-made fracture 5, two ends, left and right are provided with flange 4, be connected with poly (methyl methacrylate) plate 1 by bolt, the side of the part in the middle of poly (methyl methacrylate) plate 1 is also provided with opening 102, and opening part has bolt hole 103, can joint flange 4, also can block when not needing to use, these three flanges 4 all can connect other man-made fracture by soft joint 8, form long crack and branch fractures; One is " mouth " font man-made fracture 6, is only provided with flange 4 at two ends, is connected by bolt with poly (methyl methacrylate) plate 1; The flange 4 of every one-level crack least significant end can direct connected drainage mouth, or carries out shutoff with plugging part 7, makes it form seal cavity; When device is tested, each single man-made fracture all needs to be fixed on strutting system, and strutting system can adopt various structure, but the easily detachable requirement of demand fulfillment, can support in experimentation and fix each man-made fracture and be not subjected to displacement; Described plugging part is the block rubber that size is arranged according to opening shape, and the anti-pressure ability of block rubber will reach the requirement of 0.5Mpa, the integral sealing stability of maintenance system.
As shown in Figure 1, described soft joint 4, can adjust angle in varied situations, allows the angle between main seam 9, one-level seam 10, secondary seam 11 etc. change as required.And can unconfined connection three grades of cracks, even more multistage crack, level Four crack, soft joint can be adopted to carry out connecting and adjusting different angles, then fix with strutting system, meet the requirement of experiment needed for the seam net angle of scene of various complexity.The one-level seam 10 of the experimental provision design that this example adopts and the angle of main seam 9 are 30 degree, 60 degree, 90 degree, and the angle of secondary seam 11 and one-level seam 10 is 45 degree, 60 degree, 90 degree.Described man-made fracture, under soft joint 8 connects, can connect multiple man-made fracture, adjustable relative angle between each man-made fracture, the basis of major fracture 9 can arrange multiple subordinates crack, equally, subordinate crack can arrange more subordinate crack.
Embodiment 2,
One as described in Example 1 device dynamically stitches net proppants settle down Rule in simulation multi-angle, and step is as follows:
(1) quantity experimentally required, viscosity etc., configuration sand-carrying agent;
(2) propping agent of preparing experiment requirement;
(3) branches at different levels seam is adjusted to wanted test angle, and fixing;
(4) experimentally requirement, regulates the folding amount of aperture on poly (methyl methacrylate) plate;
(5) check the cleanliness in described device, re-use if any after unclean should cleaning;
(6) first inject described device with clear water to circulate, check the sealing of described device, after confirming sealing, emptying device;
(7) Homogeneous phase mixing in mixing sand tank by described sand-carrying agent and described propping agent, forms mixed liquor; The experimentally discharge capacity of protocols call, pumps into described mixed liquor in described device;
(8), in experimentation, observe the laid process of propping agent, and record the laid state of propping agent.
(9), after off-test, cleaning experiment device, prepares next group experiment.
Claims (6)
1. a simulation multi-angle seam net proppants settle down rule device, it is characterized in that, comprise man-made fracture, described man-made fracture, each section of composition comprises two pieces of parallel transparent plexiglass plates (1), affiliated poly (methyl methacrylate) plate (1) four limit is covered with bolt hole (103), upper and lower both sides are connected to sealing joint strip (2) and pressing plate (3) by bolt chain, two ends, left and right are by bolt link flange (4), flange (4) place can connect soft joint (8), single or multiple soft joint (8) connects man-made fracture, form continuous multiple-limb shape seal cavity.
2. one simulation multi-angle seam net proppants settle down rule device according to claim 1, is characterized in that, also comprise corresponding strutting system.
3. one simulation multi-angle seam net proppants settle down rule device according to claim 1, it is characterized in that, described man-made fracture, under soft joint (8) connects, multiple man-made fracture can be connected, adjustable relative angle between each man-made fracture, the basis of major fracture (9) can arrange multiple subordinates crack, equally, subordinate crack can arrange more subordinate crack.
4. one simulation multi-angle seam net proppants settle down rule device according to claim 1, it is characterized in that, described poly (methyl methacrylate) plate (1) there is a large amount of uniform aperture (101), it can close uniform aperture (101) with plugging part (7).
5. one simulation multi-angle seam net proppants settle down rule device according to claim 1, it is characterized in that, described man-made fracture is divided into two kinds, one is " day " font man-made fracture (5), be provided with flange (4) at poly (methyl methacrylate) plate (1) two ends, the side of the part in the middle of poly (methyl methacrylate) plate (1) is provided with strap bolt hole opening (102); One is " mouth " font man-made fracture, is provided with flange (4) at poly (methyl methacrylate) plate (1) two ends.
6. one simulation multi-angle seam net proppants settle down rule device according to claim 1, it is characterized in that, described soft joint (8), can adjust angle in varied situations, the angle allowing main seam (9), one-level stitch between (10), secondary seam (11) and Geng Duo subordinate seam changes as required.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520137784.2U CN204730997U (en) | 2015-03-11 | 2015-03-11 | A kind of simulation multi-angle seam net proppants settle down rule device |
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| CN201520137784.2U CN204730997U (en) | 2015-03-11 | 2015-03-11 | A kind of simulation multi-angle seam net proppants settle down rule device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792491A (en) * | 2015-03-11 | 2015-07-22 | 李骏 | Simulated multi-angle joint network propping agent sinking law device |
| CN107060718A (en) * | 2017-03-30 | 2017-08-18 | 中国石油大学(北京) | Fracture support agent lays analogue experiment installation and method |
-
2015
- 2015-03-11 CN CN201520137784.2U patent/CN204730997U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792491A (en) * | 2015-03-11 | 2015-07-22 | 李骏 | Simulated multi-angle joint network propping agent sinking law device |
| CN104792491B (en) * | 2015-03-11 | 2017-09-08 | 西南石油大学 | One kind simulation multi-angle seam net proppant settlement law experimental provision |
| CN107060718A (en) * | 2017-03-30 | 2017-08-18 | 中国石油大学(北京) | Fracture support agent lays analogue experiment installation and method |
| CN107060718B (en) * | 2017-03-30 | 2018-04-13 | 中国石油大学(北京) | Fracture support agent lays analogue experiment installation and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20160311 |