CN218811067U

CN218811067U - Multifunctional drilling cuttings and waste drilling fluid treatment device

Info

Publication number: CN218811067U
Application number: CN202222500330.XU
Authority: CN
Inventors: 郑强; 黄荣; 谭培
Original assignee: Chengdu West Petroleum Equipment Co ltd
Current assignee: Chengdu West Petroleum Equipment Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-04-07
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses a multi-functional drill chip and abandonment drilling fluid processing apparatus, including collection device, centrifuge liquid feed pump, loading attachment, one-level buffer memory jar, multi-functional centrifuge, intelligent high-speed variable frequency centrifuge, screw conveyer, online flocculating device, tertiary buffer memory jar, outer defeated pump, second grade buffer memory jar, the transfer pump, dosing pump, charge device, the export of loading attachment is connected to multi-functional centrifuge upper portion feed inlet, and screw conveyer is connected to bottom solid phase discharge gate, and the export of middle-end liquid phase is one-level buffer memory jar in succession, second grade/tertiary buffer memory jar is connected to intelligence high-speed variable frequency centrifuge one end, and online flocculating device is connected to the other end, and dosing pump is connected to online flocculating device front end, and dosing pump sunction inlet connection dosing device, the utility model has the advantages of: the drilling fluid can treat water-based drilling cuttings and oil-based drilling cuttings, can treat waste drilling fluid for well completion, and has multiple purposes. One set of equipment realizes the minimizing treatment of water-based drill cuttings, oil-based drill cuttings and well completion waste drilling fluid, reduces the floor area of the equipment, reduces operators, improves the utilization rate of the equipment and reduces the disposal cost.

Description

Multifunctional drilling cuttings and waste drilling fluid treatment device

Technical Field

The utility model relates to a drill chip and abandonment drilling fluid recovery processing field, concretely relates to multi-functional drill chip and abandonment drilling fluid processing apparatus.

Background

The exploration and development of petroleum and natural gas are commonly called well drilling, a medium called drilling fluid is needed in the well drilling, and the drilling fluid mainly has the following functions: the well bottom is cleaned, drill cuttings are carried to the ground, the drill cuttings and weighting materials are suspended, the formation of filter cakes to protect the well wall and the like is controlled and balanced, and therefore the performance of the drilling fluid needs to be controlled in the drilling process, and the smoothness of drilling is guaranteed. And in the drilling process, the drilling fluid is purified through the solid control equipment matched with the drilling machine, and the performance of the drilling fluid is maintained. The solid control equipment mainly comprises a vibrating screen, a sand and mud remover, a solid control centrifugal machine, a stirrer, a pump and the like, the vibrating screen, the sand and mud remover and the solid control centrifugal machine can discharge a large amount of drill cuttings and carry a small amount of drilling fluid, the drill cuttings are divided into 2 types, one type is water-based drill cuttings and the other type is oil-based drill cuttings, two sets of different reduction treatment equipment are required to be arranged for the water-based drill cuttings and the oil-based drill cuttings, field while-drilling treatment is carried out through different treatment processes, the occupied area of the equipment is large, the personnel configuration is more, the equipment utilization rate is low, and the treatment cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional drill chip and abandonment drilling fluid processing apparatus to it is big to solve equipment area, and personnel's configuration is many, and rate of equipment utilization is low, deals with the technical problem that the expense is high.

In order to realize the purpose, the invention provides the following technical scheme:

the utility model provides a multi-functional drill chip and abandonment drilling fluid processing apparatus, includes collection device, centrifuge feed pump, loading attachment, one-level buffer memory jar, multi-functional centrifuge, intelligent high speed frequency conversion centrifuge, screw conveyer, online flocculation device, tertiary buffer memory jar, outer transport pump, second grade buffer memory jar, the transfer pump, the dosing pump, charge device, collection device connects loading attachment, and loading attachment output and the multi-functional centrifuge of parallel connection, the one-level buffer memory jar is connected on the upper portion of multi-functional centrifuge, and the screw conveyer is connected to the middle part, and the loading attachment is whole to be the cuboid form, and the front portion design has the receiving funnel, uses with collection device combination, carries the material to the loading attachment receiving funnel in with collection device in, through loading attachment with the material pump in the multi-functional centrifuge, accomplish the feed, collection device is the cuboid form, the body takes the tapering all around, the middle zone spiral, and there are a plurality of pan feeding mouths at the spiral top, and the material can slide automatically to the spiral feeding mouth, through spiral conveying the material, multi-functional centrifuge is the toper form, and the top is equipped with the feed inlet, and the middle part is equipped with solid phase export, and the bottom is equipped with toper play hopper, and the toper discharge fill, and the export of the toper discharge hopper links to each other with the one-level centrifuge. There is flange one-level buffer tank top, links to each other with multi-functional centrifuge liquid outlet, collects the liquid phase that multi-functional centrifuge separated, jar face configuration agitator and level gauge, screw conveyer, tip configuration motor and speed reducer pass through the spiral of motor and speed reducer drive U-shaped inslot to carry the solid phase that multi-functional centrifuge and high-speed frequency conversion centrifuge separated, high-speed frequency conversion centrifuge feed inlet links to each other with online flocculation device, online flocculation device links to each other with charge device, and charge device is the cuboid form, built-in collecting pipe and separated three cavity, and the external side of jar is provided with all kinds of transport pipes, and the top is equipped with the feed inlet, and the bottom is equipped with the discharge gate, and the discharge gate links to each other with the dosing pump. The dosing pump is matched with the online flocculation device, the liquid outlet end of the intelligent high-speed variable-frequency centrifuge is connected with a second-level cache tank and a third-level cache tank, the second-level cache tank and the third-level cache tank are used for caching liquid phases separated by the intelligent high-speed variable-frequency centrifuge, and the tank is connected with a transfer pump. The intelligent high-speed frequency conversion centrifuge is used for processing liquid phase separated by the multifunctional centrifuge, a feed inlet of the intelligent high-speed frequency conversion centrifuge is connected with a liquid outlet of a centrifuge liquid feed pump and an online flocculation device, and different parameters are selected through a matched frequency conversion control system of the intelligent high-speed frequency conversion centrifuge so as to achieve the optimal processing effect.

Based on the technical scheme, the embodiment of the invention can at least produce the following technical effects:

the utility model relates to a multi-functional drill chip/abandonment drilling fluid treatment process (equipment), can handle water base drill chip, oil base drill chip, can handle well completion abandonment drilling fluid simultaneously, a tractor serves several purposes. The set (process) equipment realizes the reduction treatment of water-based drilling cuttings, oil-based drilling cuttings and well completion waste drilling fluid, reduces the floor area of the equipment, reduces operators, improves the utilization rate of the equipment and reduces the disposal cost.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic view of an embodiment of the present invention;

fig. 3 is a schematic view of an embodiment of the present invention.

Wherein, 1, a collecting device; 2. a centrifuge liquid feed pump; 3. a feeding device; 4. a first level cache tank; 5. a multifunctional centrifuge; 6. an intelligent high-speed frequency conversion centrifuge; 7. a screw conveyor; 8. an on-line flocculation device; 9. a third-level cache tank; 10. an output pump; 11. a second level cache tank; 12. a transfer pump; 13. a dosing pump; 14. a medicine adding device.

Detailed Description

The utility model provides a multi-functional drill chip and abandonment drilling fluid processing apparatus, including collection device 1, centrifuge liquid feed pump 2, loading attachment 3, one-level buffer tank 4, multi-functional centrifuge 5, intelligent high-speed frequency conversion centrifuge 6, screw conveyer 7, online flocculation device 8, tertiary buffer tank 9, defeated pump 10 outward, second grade buffer tank 11, transfer pump 12, dosing pump 13, charge device 14, the device uses through the cooperation of each subassembly, and collection device 1 mainly collects drill chip (oil base/water base) that solid control equipment discharged, plays the effect of collecting and depositing temporarily, and centrifuge liquid feed pump 2 is in pumping high-efficient intelligent centrifuge 6 rotary drum into again with the liquid phase that multi-functional centrifuge separated, carries out secondary solid-liquid separation to the liquid phase through high-efficient intelligent centrifuge 6, and loading attachment 3 main function is in pouring into multi-functional centrifuge 5 with the detritus (oil base/water base) in the collection device, carries out first solid-liquid separation to drill chip (oil base/water base) through multi-functional centrifuge 5. The feeding device 3 is driven by hydraulic pressure and is conveyed by a pipeline, the feeding device 3 is long in conveying distance, leakage is avoided, energy consumption is low, safety and reliability are achieved, the first-level buffer tank 4 is mainly used for collecting liquid phase separated by the multifunctional centrifuge 5, a stirrer and a liquid level meter are arranged on the tank surface to prevent liquid phase from precipitating, the liquid level in the tank is controlled to prevent tank overflow and pump dry suction, the multifunctional centrifuge 5 is mainly used for solid-liquid separation of drill cuttings (water base/oil base), oil and water on the surface of the drill cuttings (water base/oil base) are separated, the oil/water content of the drill cuttings (water base/oil base) is reduced, and the purpose that the drill cuttings can be packaged or directly transported is achieved. The multifunctional centrifuge 5 can simultaneously process water-based drilling cuttings and oil-based drilling cuttings, and has multiple functions, the intelligent high-speed variable frequency centrifuge 6 adopts a PLC control technology, the rotating speed can be steplessly regulated within a design range, timely working conditions of recording equipment including the rotating drum rotating speed, the material pushing speed, the feeding amount, the working current, the torque and the like are displayed through a touch screen on a control cabinet, remote monitoring and operation can be realized, automation and intellectualization are realized, the screw conveyor 7 is used for collecting solid phases discharged by the intelligent high-speed variable frequency centrifuge 6 and the multifunctional centrifuge 5, simultaneously the two solid phases can be stirred and mixed, the oil/water content is integrated, finally, all the solid phases reach the standard and are collected uniformly, the online flocculating device 8 is mainly combined with the principle of a pipeline flocculator, the water-based slurry enters the intelligent high-speed variable frequency centrifuge 6 after being flocculated by the online flocculating device, carry out abundant solid phase separation, tertiary buffer tank 9 is used for the qualified liquid phase of buffer memory intelligence high speed variable frequency centrifuge 6 separation, the jar internal volume reaches the upper limit after, through jar outer defeated pump 10, the liquid phase pump is walked, reuse, second grade buffer tank 9 is used for the unqualified liquid phase of buffer memory intelligence high speed variable frequency centrifuge 6 separation, go into online flocculation device 8 entry with the liquid phase pump once more through on-tank transfer pump 12, liquid phase through after online flocculation gets into intelligent high speed variable frequency centrifuge 6 once more, carry out abundant solid phase separation, dosing pump 13 mainly used is gone into online flocculation device 8 with the flocculating agent ration pump that disposes in the dosing device 14 in, dosing device 14 adopts most advanced three-cavity structure, possess continuous batching, the curing, for use full automatic operation flow.

The utility model discloses an embodiment is: the multifunctional centrifuge 5 is also called a dual-drive spin dryer, the equipment is designed in a special transmission mode, two motors are adopted to respectively drive the screen basket and the scraper in a power driving mode, the two motors are controlled in a frequency conversion mode to enable the screen basket and the scraper to obtain different rotating speeds, and meanwhile, a high-pressure washing device is designed in the screen bar of the multifunctional spin dryer 5 and used for cleaning the screen bar, preventing screen pasting and meeting the processing requirements of water-based drilling cuttings and oil-based drilling cuttings. A 45kw motor configured in the multifunctional centrifuge 5 inputs power into an upper bevel gear reducer through a universal coupling, and drives the screen basket bottom and the screen basket after speed reduction; an 11kw motor inputs power into a lower bevel gear reducer through a universal coupling, and drives a cone and a scraper after speed reduction. The two motors are controlled by PLC programming to realize double frequency conversion, and technological parameters are input to obtain the required working rotating speed and differential rotating speed, so as to realize positive and negative differential rotating speeds. A motor is adopted to drive a differential mechanism through belt transmission, two rotating speeds are output to drive a screen basket and a scraper respectively, and the rotating speeds have fixed differential rotating speeds. Simultaneously, at the inboard high-pressure impact device of design of sieve fence, prevent that the sieve fence from pasting the sieve, influencing the treatment effect.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.

Claims

1. The utility model provides a multi-functional drill chip and abandonment drilling fluid processing apparatus, a serial communication port, including collection device (1), centrifuge liquid feed pump (2), loading attachment (3), one-level buffer tank (4), multi-functional centrifuge (5), intelligent high speed frequency conversion centrifuge (6), screw conveyer (7), online flocculation device (8), tertiary buffer tank (9), defeated pump (10) outward, second grade buffer tank (11), transfer pump (12), dosing pump (13), charge device (14), collection device (1) connection loading attachment (3), the loading attachment output and multifunctional centrifuge (5), one-level buffer tank (4) is connected to intelligence high speed frequency conversion centrifuge (6) one end, and online flocculation device (8) are connected to the other end, along part connection tertiary buffer tank (9) on intelligence high speed frequency conversion centrifuge (6).

2. The multifunctional drill cuttings and waste drilling fluid treatment device as claimed in claim 1, wherein the collection device (1) is rectangular, the periphery of the tank body is tapered, the middle of the tank body is provided with a spiral, the top of the spiral is provided with a plurality of feeding ports, and materials can automatically slide down to the spiral feeding ports and are conveyed by the spiral.

3. The multifunctional drilling cuttings and waste drilling fluid treatment device according to claim 1, wherein the feeding device (3) is a cuboid, a receiving hopper is arranged at the front of the feeding device, the feeding device is used in combination with the collecting device (1), materials stored in the conveying and collecting device (1) are conveyed into the receiving hopper, and the materials are pumped into the multifunctional centrifuge (5) through the feeding device (3) to complete feeding.

4. The multifunctional drill cuttings and waste drilling fluid treatment device as claimed in claim 1, wherein a connecting flange is arranged at the top end of the primary buffer tank (4) and is connected with a liquid outlet of the multifunctional centrifuge (5) to collect liquid phase separated by the multifunctional centrifuge (5), and a stirrer and a liquid level meter are arranged on the tank surface.

5. The multifunctional drill cuttings and waste drilling fluid treatment device according to claim 1, wherein the multifunctional centrifuge (5) is conical, a feed inlet is formed in the top end, a liquid phase outlet is formed in the middle, a conical solid phase discharge hopper is formed in the bottom, the feed inlet in the top end is connected with an outlet pipeline of the feeding device (3), the liquid phase outlet in the middle is connected with the first-level buffer tank (4), and the conical solid phase discharge hopper in the bottom is connected with the screw conveyor (7).

6. The multifunctional drill cuttings and waste drilling fluid treatment device according to claim 1, wherein a motor and a reducer are arranged at the end of the screw conveyor (7), and the motor and the reducer drive a screw in the U-shaped groove, so as to convey the solid phase separated by the multifunctional centrifuge (5).

7. The multifunctional drill cuttings and waste drilling fluid treatment device according to claim 1, wherein the dosing device (14) is of a cuboid structure, the tank body is divided into three chambers, various conveying pipes are arranged on the outer side of the tank body, a feeding hole is formed in the top of the tank body, a discharging hole is formed in the bottom of the tank body, and the discharging hole is connected with a dosing pump (13).

8. The multifunctional drill cuttings and waste drilling fluid treatment device according to claim 1, wherein the secondary buffer tank (11) is used for buffering liquid phase separated by the high-speed variable frequency centrifuge (6), and a transfer pump (12) is arranged on the tank.

9. The device for treating multifunctional drill cuttings and waste drilling fluid as claimed in claim 1, wherein the intelligent high-speed frequency conversion centrifuge (6) is used for treating the liquid phase separated by the multifunctional centrifuge (5), a feed inlet of the intelligent high-speed frequency conversion centrifuge (6) is connected with a liquid outlet of a centrifuge liquid supply pump (2) and the on-line flocculation device (8), and different parameters are selected through a matching frequency conversion control system to achieve the optimal treatment effect.