Unlock instant, AI-driven research and patent intelligence for your innovation.

Process method for heating thickened oil by adopting thermo-acoustic heat pump in oil field station gathering and transportation

A process method and heat pump technology, applied in the pipeline system, lighting and heating equipment, machine operation mode, etc., can solve the problems of high economic operation cost, high energy consumption of heavy oil heating technology, etc., and achieve heat transfer and anti-scaling performance Good, long service life, small one-time investment effect

Pending Publication Date: 2020-02-21
GUANGXI UNIV
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to propose an oil field with energy saving, emission reduction, low carbon, good equipment heat transfer and anti-scaling performance, and long service life in view of the heavy oil heating technology of the prior art with high energy consumption and high economic operation cost Method of using thermoacoustic heat pump to heat heavy oil in station gathering pipeline

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Process method for heating thickened oil by adopting thermo-acoustic heat pump in oil field station gathering and transportation
  • Process method for heating thickened oil by adopting thermo-acoustic heat pump in oil field station gathering and transportation
  • Process method for heating thickened oil by adopting thermo-acoustic heat pump in oil field station gathering and transportation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Such as figure 1 As shown, the system for heating heavy oil using thermoacoustic heat pumps in oil field gathering and transportation in the present invention includes thermoacoustic driven double-acting traveling wave heat pumps, solar heaters, oilfield associated gas burners, heavy oil heat exchangers and control modules.

[0024] Such as figure 2 As shown, the thermoacoustic-driven double-acting traveling wave heat pump includes two parts: a double-acting traveling-wave engine and a double-acting traveling-wave heat pump. The double-acting traveling-wave engine consists of a main water cooler, a first regenerator, and a first heater , the first heat buffer pipe, and the secondary water cooler are sequentially connected in series. The heaters are sequentially connected in series. Among them, the first heater of the double-acting traveling wave engine is mainly heated by solar energy clean energy, supplemented by oil field associated gas combustion heating, so that ...

Embodiment 2

[0031] The system and process method used in this embodiment are as in embodiment 1. The difference from the above embodiment 1 is that the values ​​of temperature, flow rate, density and viscosity of the heavy oil after pretreatment at the oilfield gathering station are larger than those in the above embodiment 1. .

[0032] The parameters of the heavy oil after pretreatment (when entering the heating device) and after heating in an oilfield gathering and transportation station are shown in Table 2:

[0033] Table 2 Heavy oil parameters before and after heating

[0034] project Before heating after heating temperature(℃) 49 71 Flow(m3 / h) 35 35.2 Pressure (MPa) 0.5 0.54 Density (kg / m 3 )

Embodiment 3

[0036] The system and process method adopted in this embodiment are as in embodiment 1. The difference from the above embodiment 1 is that the temperature and density of the heavy oil pretreated at the oil field gathering station are larger than those in the above embodiment 1, and the flow rate and viscosity are higher than those in the above embodiment 1. The numerical value is smaller than that of Example 1 above.

[0037] The parameters of heavy oil after pretreatment (when entering the heating device) and after heating in a gathering station of an oilfield are shown in Table 3.

[0038] Table 3 Heavy oil parameters before and after heating

[0039] project Before heating after heating temperature(℃) 53 69 Flow(m3 / h) 33 33.1 Pressure (MPa) 0.5 0.53 Density (kg / m 3 )

[0040] Through the comparison of the above examples, it is shown that after the heavy oil is heated by the thermoacoustic heat pump of the present invention, the visc...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a process method for heating thickened oil by adopting a thermo-acoustic heat pump in oil field station gathering and transportation. A thermo-acoustic driving double-acting traveling wave heat pump is adopted to generate a thermo-acoustic positive effect and a thermo-acoustic inverse effect, and water is used as a heat transfer medium to transfer heat of a low-level air source to high-level thickened oil. The thermo-acoustic driving double-acting traveling wave heat pump comprises a double-acting traveling wave engine and a double-acting traveling wave heat pump, wherein the double-acting traveling wave engine is mainly driven by solar energy and is assisted by oil field associated gas combustion driving, so that a temperature difference is formed between a heaterand a main water cooler and between the heater and a secondary water cooler, the thermo-acoustic positive effect is generated, acoustic power is generated and input into the double-acting traveling wave heat pump, heat is exchanged to reinjection sewage through a thermo-acoustic conversion effect, and the reinjection sewage is subjected to heat exchange to the thickened oil through a heat exchanger to realize heating of the thickened oil. The process method is mainly driven by clean energy and is assisted by oil field associated gas combustion driving, so that energy conservation, emission reduction and low carbon are realized; and meanwhile, the system is long in service life, low in one-time investment, capable of achieving long-term benefits and convenient to maintain and transport.

Description

technical field [0001] The invention belongs to the technical field of oil and gas storage and transportation applications, and in particular relates to a process method for heating heavy oil with a thermoacoustic heat pump in oilfield station gathering and transportation. Background technique [0002] Heavy oil is crude oil with high asphaltene and colloid content and high viscosity. Usually, crude oil with a relative density greater than 0.92 (20°C) and an underground viscosity greater than 50 centipoise (or high-viscosity heavy crude oil with a degassed crude oil viscosity of 1000-10000 mPa·s at the oil layer temperature) is called heavy oil. Due to its high density, heavy oil is also called heavy oil. In addition to viscosity, heavy oil also has high density. It contains less light distillate and high content of colloid and asphalt. The viscosity of heavy oil changes significantly with temperature, for example, when the temperature increases by 8-9°C, the viscosity ca...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F17D1/18F25B23/00F25B27/00
CPCF17D1/18F25B23/00F25B27/002
Inventor 甘冬丽吴园园姜涛邓富康李康春张燕杰全嘉榕冯清窦明远李浩铭邹帅黄福川
Owner GUANGXI UNIV