CN110542624A - A fracturing fluid proppant bulk density tester - Google Patents

Abstract

The invention discloses a fracturing fluid proppant bulk density tester, which comprises a supporting column, a bottom plate, a sweeping plate, a sleeve, a first connecting column, a groove, a top plate, a hopper, a first outlet A feed pipe, a turntable, a connecting bent rod, a second discharge pipe, a second connection column, a card slot, a test bucket and a discharge hole. Through the cooperation of the first discharge pipe, the turntable and the second discharge pipe, the discharge holes inside the first discharge pipe, the turntable and the second discharge pipe will be aligned with each other when the turntable is turned, so as to Connect the hopper to the inside of the second discharge pipe, and the discharge speed of the hopper can be adjusted by adjusting the turntable; when the test bucket is snapped into the slot, the test bucket will be located directly below the second discharge pipe, when supported After the proppant is filled inside the test barrel, turn the sweeping plate. Since the bottom of the sweeping plate is flush with the upper surface of the test barrel, the sweeping plate will level the proppant inside the test barrel at one time, which is relatively simple to use.

Description

A fracturing fluid proppant bulk density tester

technical field

The invention relates to a tester, in particular to a fracturing fluid proppant volume density tester, which belongs to the technical field of oil field chemicals.

Background technique

When the oil well production layer has low permeability or is seriously polluted by mud, it is necessary to carry out stimulation operations such as fracturing and acidification to improve the production capacity of oil and gas wells and the water absorption capacity of water injection wells; Water-based, oil-based, and acid-based fracturing fluids are selected according to reservoir conditions; river water was first used for fracturing fluids, and then thickened water was used for fracturing fluids, and gel has been developed to be used. Jelly fracturing fluid is made of thickened water with a thickener and further thickened with a crosslinking agent, which can improve the sand-carrying ability; the fracturing fluid contains enzymes and ammonium persulfate and other gel breakers, which is beneficial to After the proppant is carried to the destination, it will be viscous quickly and flow back to the ground.

In oilfield work, the function of fracturing fluid is to fill the formation fractures with proppant and high-pressure solution into the formation, and play a role in supporting the fractures from closing due to stress release, so as to maintain high conductivity. To test it, the existing tester has a relatively simple structure, and the bottom of the hopper is generally sealed with a rubber ball, which is troublesome to use, difficult to control the feeding speed, and easily causes waste of resources. Therefore, in view of the above problems, a fracturing fluid proppant bulk density tester is proposed.

Contents of the invention

The object of the present invention is to provide a fracturing fluid proppant bulk density tester in order to solve the above problems.

The present invention achieves the above object through the following technical solutions. A fracturing fluid proppant bulk density tester includes a top plate, a discharge structure, a first connecting column, a second connecting column and a bottom plate installed sequentially from top to bottom;

The lower surface of the base plate is fixedly connected with a support column, and the upper surface of the base plate is provided with a card slot, and a test bucket is engaged inside the card slot; the first connecting column and the second connecting column are fixed Connected to the upper surface of the bottom plate, the top ends of the first connecting column and the second connecting column are fixedly connected to the bottom of the top plate, the surface of the first connecting column is provided with a groove, and the surface of the groove is covered with A sleeve is connected, and a sweeping plate is fixedly connected to one side of the sleeve;

The discharge structure includes a hopper, a first discharge pipe, a turntable and a second discharge pipe, and a connecting bent rod is fixedly connected between the first discharge pipe and the second discharge pipe, and the hopper clamps Closed inside the top plate, the first discharge pipe is fixed on the lower surface of the hopper, a turntable is provided between the first discharge pipe and the second discharge pipe, and the first discharge pipe The bottom end of a discharge pipe and the top end of the second discharge pipe are connected to the turntable in rotation; the inside of the first discharge pipe, the turntable and the second discharge pipe are all opened a discharge hole, and the discharge hole communicates with the interior of the hopper;

Through the cooperative use of the first discharge pipe, the turntable and the second discharge pipe, the rotation of the turntable will make the first discharge pipe, the turntable and the second discharge pipe The discharge holes inside the discharge pipe are aligned, and at this time, the proppant inside the hopper will fall from the second discharge pipe to the inside of the test barrel, and the purpose of quantitative discharge is achieved.

Preferably, the bottom plate is a circular structure, the top plate is a circular structure, and both have the same outer diameter.

Preferably, the number of the support columns is three, and they are distributed on the lower surface of the bottom plate in a ring shape.

Preferably, the number of the connecting curved rods is two, and they are symmetrically distributed on both sides of the turntable.

Preferably, the inside of the test barrel is a hollow structure with an internal volume of 100 milliliters.

Preferably, there are two discharge holes inside the first discharge pipe, the turntable and the second discharge pipe, and they are respectively symmetrically distributed in the first discharge pipe, the second discharge pipe, and the first discharge pipe. The turntable and the end face of the second discharge pipe.

The beneficial effects of the present invention are:

1. In the present invention, through the cooperation of the first discharge pipe, the turntable and the second discharge pipe, the discharge holes inside the first discharge pipe, the turntable and the second discharge pipe will be mutually connected when the turntable is rotated. Alignment, in order to connect the hopper with the inside of the second discharge pipe, and the discharge speed of the hopper can be adjusted by adjusting the turntable;

2. The present invention has a card slot on the upper surface of the bottom plate. When the test barrel is engaged in the card slot, the test barrel will be located directly below the second discharge pipe. When the proppant is fully filled inside the test barrel, turn Sweeping plate, since the bottom of the sweeping plate is flush with the upper surface of the test barrel, the sweeping plate will level the proppant inside the test barrel at one time, which is relatively simple to use.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings on the premise of not paying creative efforts.

Fig. 1 is a schematic diagram of the overall structure of the present invention;

Fig. 2 is a connection diagram of the sweeping board and the first connecting column of the present invention;

Fig. 3 is the connection diagram of the first discharge pipe and the second discharge pipe of the present invention;

Fig. 4 is a sectional view of the end face of the turntable of the present invention.

In the figure: 1. Support column, 2. Bottom plate, 3. Sweeping plate, 4. Sleeve, 5. First connecting column, 51. Groove, 6. Top plate, 7. Hopper, 8. First discharge pipe, 9. Turntable, 10. Connecting curved rod, 11. Second discharge pipe, 12. Second connecting column, 13. Card slot, 14. Test bucket, 15. Discharge hole.

Detailed ways

In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner" and "outer" are based on those shown in the accompanying drawings. Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention.

Please refer to Figures 1-4, a fracturing fluid proppant volume density tester, including a top plate 6, a discharge structure, a first connecting column 5, a second connecting column 12 and a bottom plate 2 installed in sequence from top to bottom ;

The lower surface of the base plate 2 is fixedly connected with a support column 1, and the upper surface of the base plate 2 is provided with a card slot 13, and a test bucket 14 is engaged inside the card slot 13; the first connecting column 5 is connected to the The second connecting column 12 is all affixed to the upper surface of the base plate 2, the top of the first connecting column 5 and the second connecting column 12 are all affixed to the bottom of the top plate 6, and the first connecting column There is a groove 51 on the surface of the groove 51, the sleeve 4 is sleeved on the surface of the groove 51, and the sweeping plate 3 is fixed on one side of the sleeve 4;

The discharge structure includes a hopper 7, a first discharge pipe 8, a turntable 9 and a second discharge pipe 11, and a connecting bend is fixedly connected between the first discharge pipe 8 and the second discharge pipe 11. Rod 10, the hopper 7 is engaged inside the top plate 6, the first discharge pipe 8 is fixed on the lower surface of the hopper 7, and the first discharge pipe 8 is connected to the second discharge pipe 8. A turntable 9 is arranged between the feed pipes 11, and the bottom end of the first discharge pipe 8 and the top end of the second discharge pipe 11 are connected to the turntable 9 in rotation; the first discharge pipe 8 . Both the turntable 9 and the second discharge pipe 11 have a discharge hole 15 inside, and the discharge hole 15 communicates with the inside of the hopper 7;

Through the cooperative use of the first discharge pipe 8, the turntable 9 and the second discharge pipe 11, the first discharge pipe 8 and the turntable can be rotated while the turntable 9 is rotated. 9 is aligned with the discharge hole 15 inside the second discharge pipe 11, at this time the proppant inside the hopper 7 will fall from the second discharge pipe 11 to the inside of the test bucket 14, The purpose of quantitative discharge has been achieved.

The bottom plate 2 is a circular structure, and the top plate 6 is a circular structure, and the outer diameters of the two are the same, so that the hopper 7 can be snapped inside the top plate 6; the number of the support columns 1 There are three, and they are distributed in a ring on the lower surface of the bottom plate 2, which plays a supporting role for the top structure; the number of the connecting curved rods 10 is two, and they are symmetrically distributed on both sides of the turntable 9, It is convenient to relatively fix the first discharge pipe 8 and the second discharge pipe 11; the inside of the test barrel 14 is a hollow structure, and its internal volume is 100 milliliters, which is convenient for quantitatively measuring proppant; There are two discharge holes 15 inside the first discharge pipe 8, the rotating disk 9 and the second discharge pipe 11, and they are distributed symmetrically in the first discharge pipe 8 and the second discharge pipe 11 respectively. The turntable 9 and the end surface of the second discharge pipe 11 are convenient to rotate the turntable 9 to adjust whether the first discharge pipe 8 and the second discharge pipe 11 are connected.

When the present invention is in use, first pour the proppant into the inside of the hopper 7, turn the sleeve 4, and the discharge holes inside the first discharge pipe 8, the rotating disk 9 and the second discharge pipe 11 will be aligned with each other, and can be adjusted by adjusting The angle of the turntable 9 controls the discharge speed of the second discharge pipe 11. At this time, the proppant discharged from the second discharge pipe 11 will fall into the test bucket 14, and then by rotating the sweeping plate 3, the bottom of the sweeping plate 3 will It is flush with the top of the test bucket 14, and at this time, the sweeping plate 3 will sweep the proppant inside the test bucket 14 once;

Then take off the test bucket 14, use a balance to weigh the quality of the proppant inside the test bucket 14, and be accurate to 0.001 gram, because the volume inside the test bucket 14 is 100 milliliters, finally use the formula to calculate the proppant bulk density.

The circuits, electronic components and modules involved are all existing technologies, and those skilled in the art can fully implement them. Needless to say, the protected content of the present invention does not involve the improvement of software and methods.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and scope of the same elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still understand the foregoing The technical solutions recorded in each embodiment are modified, or some of the technical features are replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (6)

1. A fracturing fluid proppant volume density tester, characterized in that: comprise a top plate (6), a discharge structure, a first connecting column (5), and a second connecting column (12) installed sequentially from top to bottom and base plate (2); The lower surface of the base plate (2) is affixed with a support column (1), the upper surface of the base plate (2) is provided with a card slot (13), and the inside of the card slot (13) is engaged with a test bucket ( 14); the first connecting column (5) and the second connecting column (12) are fixed on the upper surface of the bottom plate (2), the first connecting column (5), the second The tops of the connecting columns (12) are all affixed to the bottom of the top plate (6), the surface of the first connecting column (5) has a groove (51), and the surface of the groove (51) is sleeved with a sleeve ( 4), and a sweeping plate (3) is fixedly connected to one side of the sleeve (4); The discharge structure includes a hopper (7), a first discharge pipe (8), a turntable (9) and a second discharge pipe (11), and the first discharge pipe (8) is connected to the second discharge pipe. A connecting bent rod (10) is fixedly connected between the material pipes (11), the hopper (7) is engaged inside the top plate (6), and the first discharge pipe (8) is fixedly connected to the The lower surface of the hopper (7), a turntable (9) is arranged between the first discharge pipe (8) and the second discharge pipe (11), and the first discharge pipe (8) The bottom end and the top of the second discharge pipe (11) are connected to the turntable (9) in rotation; the first discharge pipe (8), the turntable (9) and the second discharge pipe (9) There are discharge holes (15) inside the pipes (11), and the discharge holes (15) communicate with the inside of the hopper (7); Through the cooperative use of the first discharge pipe (8), the turntable (9) and the second discharge pipe (11), the rotation of the turntable (9) will make the first The discharge pipe (8), the turntable (9) and the discharge hole (15) inside the second discharge pipe (11) are aligned, and the proppant inside the hopper (7) will be released from The second discharge pipe (11) falls into the inside of the test barrel (14), achieving the purpose of quantitative discharge. 2. A kind of fracturing fluid proppant bulk density tester according to claim 1, is characterized in that: described bottom plate (2) is circular structure, and described top plate (6) is circular ring structure, and two Both have the same outer diameter. 3. A fracturing fluid proppant volume density tester according to claim 1, characterized in that: the number of the support columns (1) is three, and they are distributed in a ring on the bottom plate (2). lower surface. 4. A fracturing fluid proppant volume density tester according to claim 1, characterized in that: the number of the connecting curved rods (10) is two, and they are symmetrically distributed on the sides of the rotating disk (9). sides. 5. A fracturing fluid proppant bulk density tester according to claim 1, characterized in that: the inside of the test bucket (14) is a hollow structure, and its internal volume is 100 milliliters. 6. A fracturing fluid proppant bulk density tester according to claim 1, characterized in that: said first discharge pipe (8), said turntable (9) and said second discharge pipe The inside of (11) has two described discharge holes (15), and is respectively symmetrically distributed in the described first discharge pipe (8), the described rotating disk (9) and the described second discharge pipe ( 11) The end face.