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Oil field three-phase dehydration open type oil transportation system and dehydration method

A three-phase, oil field technology, applied in the direction of hydrocarbon oil dehydration/demulsification, general control system, control/regulation system, etc., can solve problems such as a lot of manpower, and achieve the effect of reducing personnel, process optimization, and process simplicity

Pending Publication Date: 2020-09-04
XIAN CHANGQING TECH ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Throughout the process, a lot of manpower is required

Method used

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  • Oil field three-phase dehydration open type oil transportation system and dehydration method
  • Oil field three-phase dehydration open type oil transportation system and dehydration method

Examples

Experimental program
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Effect test

Embodiment 1

[0037] according to figure 1An oil field three-phase dehydration open oil delivery system shown, an oil field three-phase dehydration open oil delivery system, includes a ball collecting device 1, a dosing device 2, a first heating furnace 3, a buffer tank 4, and associated gas Liquid separator 5, three-phase separator 6, settling tank 7, purification tank 8, export pump and second heating furnace 11; described ball collecting device 1, first heating furnace 3, buffer tank 4, three-phase separation The device 6, the settling tank 7, the purification tank 8, the external delivery pump and the second heating furnace 11 are connected sequentially from front to back from the inlet end of the water-containing oil, and the dosing device 2 is connected between the ball collecting device 1 and the first heating furnace 3 Between, the associated gas liquid separator 5 is respectively connected with the buffer tank 4 and the three-phase separator 6, and the external transfer pump is co...

Embodiment 2

[0044] according to figure 1 The three-phase dehydration open oil delivery system shown in the oil field is different from the first embodiment in that the remote transmission device for liquid level monitoring is an explosion-proof electric thermal liquid level gauge.

[0045] In actual use, the liquid level monitoring remote transmission device provided on the medicine adding device 2 enables the operator to grasp and control the time of adding medicine at any time.

[0046] In this embodiment, the liquid level monitoring remote transmission device adopts explosion-proof electric heating liquid level, and its technical indicators are as follows: matching 24VDC remote transmission device, output signal: 4~20mADC, equipment with anti-surge function, accuracy ±10mm , The electrical interface of the transmitter is M20×1.5, the heat trace power supply adopts 220VAC50Hz, the heat trace power supply interface is G1 / 2" internal thread, the explosion-proof grade is dIIBT4, the prote...

Embodiment 3

[0048] according to figure 1 The shown three-phase dehydration open oil delivery system in an oil field is different from the first embodiment in that the temperature and pressure monitoring remote transmission and alarm device includes a pressure transmitter, a temperature transmitter and an alarm; The pressure transmitter, the temperature transmitter and the alarm are respectively connected with the PLC controller for electrical signals.

[0049] In actual use, the ball collecting device 1 is equipped with a pressure transmitter, a temperature transmitter and an alarm connected to the electrical signal of the PLC controller, so that the ball collecting device 1 will alarm when the operating temperature reaches 40°C or the pressure exceeds 0.5MPa. And stop running, which has played a better role in protecting the safety of the station and equipment.

[0050] The technical indicators of the pressure transmitter in this embodiment are as follows:

[0051] The design pressure...

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Abstract

The invention belongs to the technical field of oil field stations in a first-stage dehydration mode, and particularly relates to an oil field three-phase dehydration open type oil transportation system and a dehydration method. The system is formed by organically combining a ball collecting device, a dosing device, a first heating furnace, a buffer tank, an associated gas liquid separator, a three-phase separator, a settling tank, a purification tank, an output pump, a second heating furnace, a double-proportion drain valve, a dirty oil recovery device and a PLC. The system can collect dynamic information data in real time and can be remotely controlled, can send an early warning signal to and adjust equipment in over-limit operation, has high safety and reliability, and greatly reduces the number of operators. Oilfield settlement dehydration is completed through five steps of receiving water-containing oil from a well site, dosing and heating the water-containing oil, buffering and primarily separating the water-containing oil, further separating the water-containing oil, heating liquid and outputting the liquid, and the method has the characteristics of optimized process and simple flow.

Description

technical field [0001] The invention belongs to the technical field of oil field stations in a first-stage dehydration mode, and in particular relates to an oil field three-phase dehydration open oil delivery system and a dehydration method. Background technique [0002] Now many oilfields span multiple provinces. Faced with the outstanding contradiction between the rigid growth of ground facilities and labor shortages brought about by the continuous stable production of oilfields, unattended construction has opened up a new path to alleviate the company's labor tensions and has a great impact on the transformation of oilfields. Upgrading and modernization construction have strong reference significance. [0003] Unattended stations are the main means to reduce personnel and increase efficiency. It is necessary to improve the accuracy and stability of data collection, and adhere to the principles of safety, efficiency, and economy for construction, operation, and management....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G33/00C10G33/04G05B19/05G01D21/02
CPCC10G33/00C10G33/04G05B19/054G05B19/058G01D21/02
Inventor 池坤李姝仪张平申芙蓉王璐张超王晗杜鑫
Owner XIAN CHANGQING TECH ENG
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