Fully automated oil exploitation system

Abstract

The invention relates to a fully automated oil exploitation system. A liquid automatic metering device is employed by an oil well metering part. The device comprises a tipping bucket meter, an automatic oil well switcher and a gathering pipeline. The liquid automatic metering device cooperates with the tipping bucket meter through the automatic oil well switcher to achieve the automatic metering of an oil well. The gathering system further includes a signal processing unit, the signal processing unit transmits a yield signal of an oil well to be metered to the automatic oil well switcher, theautomatic oil well switcher switches an oil well pipeline and a gathering pipe, the yield of the oil well is metered through the tipping bucket meter, an upper end of a detection oil well is connectedto a polycarboxylate compound precipitation tank, the other end of the polycarboxylate compound precipitation tank is connected to the oil well metering part. According to the system, the floor spaceis occupied, the investment in constructing a transfer station is saved, the investment in pipe network construction is effectively reduced, the measurement accuracy is improved, the human resourcesare saved, the return pressure is reduced, the pump efficiency is improved, natural gas resources are saved, and the probability of accidents is reduced.

Description

technical field [0001] The invention belongs to the technical field of petroleum exploitation, in particular to a fully automatic petroleum exploitation system. Background technique [0002] The gathering and transportation system applied on the oil production platform is an important topic in oilfield production management. The gathering and transportation system includes oil well metering, oil well mixing, oil well heating and oil and gas mixed transportation. [0003] Oil well measurement is the measurement of the output of a single oil well, and it is an important project of oil and gas production units. Accurate and timely measurement of oil well production has important guiding significance for mastering reservoir conditions and formulating production plans. [0004] Oil well doping is an important project used in the production of heavy oil. The development of heavy oil blocks requires steam huff and puff every once in a while to achieve the use of heat to increase th...

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Problems solved by technology

[0009] 1. The accuracy of oil well metering is low: in the prior art, the metering instrument used in oil well metering is a glass tube separator to measure oil. human error

Therefore, there must be some errors in the obtained liquid production volume.

At the same time, the measurement time of each oil well is short and the number of times is small. It is not representative of the objective law for oil wells with intermittent discharge and uneven liquid volume. Therefore, there is a large chance of measurement results, and there are also large human errors.

[0010] 2. The measurement efficiency is low, and the workload of personnel is large: the measurement of oil wells on the oil production platform requires full-time measurement personnel to measure the liquid production of each production well every day, which not only wastes manpower and time, but also the measurement time of each oil well is short and the number of times is small , does not have the representativeness of objective laws, so there is a large chance in the measurement results

[0017] 2. There are too many electric control valves and sensors controlled by computer, so there are many fault points and poor practicability

The large number of heating furnaces will inevitably lead to waste of energy

That is to say, there are many technical problems such as a large number of pipelines, a large number of heating furnaces, large heat loss, and serious waste of energy.

[0019] 4. Oil and gas mixed transportation: In the existing technology, due to the long distance between the wellhead of the oil well and the metering station and the laying of a separate mixed transportation pipeline for a single oil well, the oil collection radius is too large, the wellhead back pressure is high, and the cost of packing and other consumables is shortened. service life

Moreover, many known antiscalants, especially phosphates, have reduced performance in the presence of iron ions; high concentrations of iron ions may be generated due to corrosion of pipelines and equipment, resulting in iron scaling such as Fe(OH)3 and FeCO3

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