CN210751316U

CN210751316U - Oil gas drilling and production drilling fluid three-phase separation device

Info

Publication number: CN210751316U
Application number: CN201921377500.1U
Authority: CN
Inventors: 刘俊龙; 张晋美
Original assignee: Aois Ocean Engineering Shanghai Co ltd
Current assignee: Aois Ocean Engineering Shanghai Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-06-16
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses an oil gas drilling fluid three-phase separation device relates to oil gas drilling and adopts technical field. Including first heating tank, first heat preservation pond, second heating tank and second heat preservation pond, equal fixedly connected with heating cabinet in first heating tank and the second heating tank, it has the apron stopper all to peg graft on the apron of heating cabinet, it has the apron stopper to peg graft in proper order through apron stopper by left to right in the heating cabinet top of first heating tank, a conveying cylinder and main injection pipe, it has the apron stopper to peg graft in proper order through apron stopper by left to right in the heating cabinet top of second heating tank, a conveying cylinder and time injection pipe, equal fixedly connected with cooler bin in first heat preservation pond and the second heat preservation pond. Through setting up the heating cabinet, combine first heating pond, first heat preservation pond, second heating pond and second heat preservation pond with the heating cabinet, be convenient for carry out the separation of volatilizing between the different subassemblies through the temperature difference with the drilling fluid after filtering impurity, practice thrift the separation time, improve separation efficiency.

Description

Oil gas drilling and production drilling fluid three-phase separation device

Technical Field

The utility model relates to an oil gas bores adopts technical field, specifically is an oil gas bores adopts drilling fluid three-phase separator.

Background

The drilling fluid is a circulating flushing medium used in holes in the drilling process, the drilling fluid is the blood of a drilling well, also called drilling flushing fluid, the drilling fluid can be divided into clear oil, mud, clay-phase-free flushing fluid, emulsion, foam, compressed air and the like according to the components, the clear oil is the earliest drilling fluid used, the processing is not needed, the use is convenient, the device is suitable for regions with complete rock stratums and sufficient oil sources, the used drilling fluid usually contains mud, and the existing separation device also has the following problems in the process of recycling the drilling fluid:

1. in the prior art, because the filtered drilling fluid has three phases of mud, oil and water, when the three phases are separated, although the mud and the oil are incompatible, the internal substances of the used drilling fluid are disordered in distribution, and a large amount of time is consumed for standing and layering, and the layering is incomplete;

2. in the prior art, if a temperature difference volatilization layering device with a single structure is adopted, when the layering operation is performed to separate slurry and oil in three phases of slurry, oil and water, although the boiling point of the slurry is higher than that of the oil, the temperature is directly heated to be higher than the boiling point of the oil, so that the oil and the water are easily volatilized simultaneously, the separation of the oil phase and the water phase is influenced, and the integral separation effect is further reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides an oil gas bores and adopts drilling fluid three-phase separator possesses practice thrift separation time, improves advantages such as whole separation efficiency, has solved the layering of stewing and has consumed a large amount of time, and the layering is incomplete, the unsatisfactory problem of the double-phase separation of profit.

(II) technical scheme

For realizing above-mentioned saving separation time, improve whole separation efficiency's purpose, the utility model provides a following technical scheme: the utility model provides an oil gas bores and adopts drilling fluid three-phase separator, includes first heating bath, first heat preservation pond, second heating bath and second heat preservation pond, equal fixedly connected with heating cabinet in first heating bath and the second heating bath, all peg graft on the apron of heating cabinet and have the apron stopper, a transport cylinder and main injection pipe, peg graft in proper order through the apron stopper in the heating cabinet top of first heating bath from left to right has apron stopper, transport cylinder and inferior injection pipe, equal fixedly connected with cooling box in first heat preservation pond and the second heat preservation pond, the top of the cooling cabinet one side of first heat preservation pond from top to bottom fixedly connected with blast pipe and output tube in proper order, the cooling cabinet both sides difference fixedly connected with mud pipe and oil drain pipe of second heat preservation pond.

As the utility model discloses a preferred technical scheme, the connecting pipe is passed through at the delivery cylinder top in first heating pond and the top of the cooler bin in first heat preservation pond and links to each other, the connecting pipe is passed through at the delivery cylinder top in second heating pond and the top of the cooler bin in second heat preservation pond and links to each other, output tube and inferior input tube pass through the connecting pipe and link to each other.

As an optimal technical scheme of the utility model, the level of mud pipe is less than the oil extraction pipe, it has the thermometer to peg graft on the heating cabinet.

As an optimized technical scheme of the utility model, the equal fixedly connected with spiral helicine condenser pipe in space in top of cooler bin inner wall.

As an optimal technical scheme of the utility model, operation platform's top is located in proper order to first heating pond, first heat preservation pond, second heating pond and second heat preservation pond from left to right.

As an optimized technical proposal of the utility model, the sludge discharge pipe is formed by connecting an inclined pipe and a vertical pipe end to end.

(III) advantageous effects

Compared with the prior art, the utility model provides an oil gas bores and adopts drilling fluid three-phase separator possesses following beneficial effect:

1. this oil gas bores and adopts drilling fluid three-phase separator through setting up the heating cabinet, combines first heating bath, first heat preservation pond with the heating cabinet, and second heating bath and second heat preservation pond are convenient for carry out the separation of volatilizing between the different subassemblies through the temperature difference with the drilling fluid after filtering impurity, practice thrift the separation time, improve separation efficiency.

2. This oil gas bores and adopts drilling fluid three-phase separator through setting up first heating pond, combines the second heating pond, and first heating pond divides former drilling fluid to manage out with vapor earlier, and the second heating pond is managed out the oil, constitutes mud with water and mud again at last, is convenient for separate water, oil and mud completely, improves whole separation effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the fluid flow direction of the present invention.

In the figure: 1. a first heating tank; 2. a first heat preservation pool; 3. a second heating tank; 4. a second heat-preservation pool; 5. a heating box; 51. a cover plate plug; 52. a delivery cartridge; 53. a main injection pipe; 54. a thermometer; 6. a cooling tank; 61. a condenser tube; 62. an exhaust pipe; 7. an output pipe; 71. a secondary injection pipe; 8. a sludge discharge pipe; 9. an oil discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an oil-gas drilling and production drilling fluid three-phase separation device comprises a first heating tank 1, a first heat preservation tank 2, a second heating tank 3 and a second heat preservation tank 4, wherein heating boxes 5 are fixedly connected in the first heating tank 1 and the second heating tank 3, cover plate plugs 51 are respectively inserted into cover plates of the heating boxes 5, a cover plate plug 51, a conveying cylinder 52 and a main injection pipe 53 are sequentially inserted into the top of the heating box 5 of the first heating tank 1 from left to right through the cover plate plugs 51, a cover plate plug 51, a conveying cylinder 52 and a secondary injection pipe 71 are sequentially inserted into the top of the heating box 5 of the second heating tank 3 from left to right through the cover plate plugs 51, cooling boxes 6 are fixedly connected in the first heat preservation tank 2 and the second heat preservation tank 4, an exhaust pipe 62 and an output pipe 7 are sequentially and fixedly connected to the top of one side of the cooling boxes 6 of the first heat preservation tank 2 from top to bottom, 6 both sides of cooler bin of second heat preservation pond 4 are fixedly connected with mud pipe 8 and oil drain pipe 9 respectively, through setting up heating cabinet 5, combine first heating pond 1 with heating cabinet 5, first heat preservation pond 2, second heating pond 3 and second heat preservation pond 4, be convenient for carry out the volatilization separation between the different subassemblies through the temperature difference with the drilling fluid after filtering impurity, save the separation time, improve separation efficiency, through setting up first heating pond 1, combine second heating pond 3, first heating pond 1 divides the steam earlier with former drilling fluid, second heating pond 3 divides the oil, constitute mud with water and mud again at last, be convenient for with water, oil and mud complete separation, improve the overall separation effect.

Specifically, the top of the conveying cylinder 52 of the first heating tank 1 is connected with the top of the cooling tank 6 of the first heat preservation tank 2 through a connecting pipe, the top of the conveying cylinder 52 of the second heating tank 3 is connected with the top of the cooling tank 6 of the second heat preservation tank 4 through a connecting pipe, the output pipe 7 is connected with the secondary input pipe through a connecting pipe, the horizontal height of the sludge discharge pipe 8 is lower than that of the oil discharge pipe 9, and the heating tank 5 is connected with a thermometer 54 in an inserting mode.

In this embodiment, the thermometer 54 inserted into the heating box 5 facilitates timely observation and temperature control.

Specifically, the top of the inner wall of the cooling box 6 is fixedly connected with a spatial spiral condensation pipe 61.

In this embodiment, the spiral condenser tube 61 can increase the surface contact area and improve the temperature conduction effect.

Specifically, the top of operation platform is located in proper order from left to right in first heating pond 1, first heat preservation pond 2, second heating pond 3 and second heat preservation pond 4, mud pipe 8 is formed by an inclined pipe and a standpipe end to end connection that slant is decurrent.

In this embodiment, the inclined tube of the sludge discharge pipe 8 inclined downward can guide the flow by gravity.

The utility model discloses a theory of operation and use flow: when in use, the drilling fluid containing mud, oil and water after solid filtration is injected into a heating box 5 in a first heating pool 1 through a main injection pipe 53, the first heating pool 1 is filled with a heating medium and heated to the boiling point of water, so that the drilling fluid containing water vapor enters a conveying cylinder 52 and is conveyed to a cooling box 6 in a first heat preservation pool 2 through a connecting pipe at the top, the cooling box 6 in the first heat preservation pool 2 contains liquid water at the boiling point critical point, the drilling fluid is discharged from an exhaust pipe 62 under the condition that the water vapor is not liquefied, at the moment, mud and oil are injected into a second heating pool 3 through a secondary injection pipe 71 from an outlet pipe 7, the second heating pool 3 is filled with the heating medium and heated to the boiling point of the oil, at the moment, the oil is evaporated and conveyed to a second heat preservation pool 4 by forming a mixture with the mud, the cooling box 6 in the second heat preservation pool 4 contains a medium higher than the boiling point of the oil, discharge liquid oil by oil extraction pipe 9 for in pure mud stayed the cooler bin 6 in second heat preservation pond 4, after pure mud was full, dismantle the connecting pipe at the 6 tops of cooler bin in second heat preservation pond 4, and let in the clear water by this connecting rod, with the device partial washing of not dismantling, let in the clear water with cooler bin 6 in second heat preservation pond 4 again, turn into mud with pure mud once more.

In conclusion, this oil gas drilling and production drilling fluid three-phase separation device, through setting up heating cabinet 5, combine first heating pond 1 with heating cabinet 5, first heat preservation pond 2, second heating pond 3 and second heat preservation pond 4, be convenient for carry out the separation of volatilizing between the different subassemblies through the temperature difference with the drilling fluid after filtering impurity, save separation time, improve separation efficiency, through setting up first heating pond 1, combine second heating pond 3, first heating pond 1 will originally the drilling fluid divide the vapor earlier out, second heating pond 3 divides the oil branch out, constitute mud with water and mud again at last, be convenient for with water, oil and mud complete separation, improve the whole separation effect.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil gas drilling and production drilling fluid three-phase separation device, includes first heating bath (1), first heat preservation pond (2), second heating bath (3) and second heat preservation pond (4), its characterized in that: equal fixedly connected with heating cabinet (5) in first heating pond (1) and second heating pond (3), it has apron stopper (51) all to peg graft on the apron of heating cabinet (5), it has apron stopper (51), delivery barrel (52) and main injection pipe (53) to peg graft in proper order through apron stopper (51) at heating cabinet (5) top of first heating pond (1) from left to right, it has apron stopper (51), delivery barrel (52) and time injection pipe (71) to peg graft in proper order through apron stopper (51) at heating cabinet (5) top of second heating pond (3) from left to right, equal fixedly connected with cooling box (6) in first heat preservation pond (2) and second heat preservation pond (4), the top of cooling box (6) one side of first heat preservation pond (2) from top to bottom fixedly connected with blast pipe (62) and output tube (7) in proper order, cooling box (6) both sides of second heat preservation pond (4) are fixedly connected with mud pipe (8) and oil drain pipe (7) respectively 9).

2. The oil and gas drilling and production drilling fluid three-phase separation device of claim 1, wherein: the top of a conveying cylinder (52) of the first heating pool (1) and the top of a cooling box (6) of the first heat preservation pool (2) are connected through a connecting pipe, the top of a conveying cylinder (52) of the second heating pool (3) and the top of a cooling box (6) of the second heat preservation pool (4) are connected through a connecting pipe, and the output pipe (7) and the secondary input pipe are connected through a connecting pipe.

3. The oil and gas drilling and production drilling fluid three-phase separation device of claim 1, wherein: the horizontal height of the sludge discharge pipe (8) is lower than that of the oil discharge pipe (9), and a thermometer (54) is inserted into the heating box (5).

4. The oil and gas drilling and production drilling fluid three-phase separation device of claim 1, wherein: the top of the inner wall of the cooling box (6) is fixedly connected with a spiral condenser pipe (61) in space.

5. The oil and gas drilling and production drilling fluid three-phase separation device of claim 1, wherein: the top of the operating platform is sequentially arranged from left to right in the first heating pool (1), the first heat preservation pool (2), the second heating pool (3) and the second heat preservation pool (4).

6. The oil and gas drilling and production drilling fluid three-phase separation device of claim 1, wherein: the sludge discharge pipe (8) is formed by connecting an inclined pipe and a vertical pipe in an inclined way downwards end to end.