Detecting tracer breakthrough from multiple wells commingled at a gas oil separation plant

A tracer and mixing well technology, applied in measuring devices, sampling devices, material separation, etc., to achieve the effects of saving manpower and time, optimizing water injection scheme and information encryption drilling, and increasing oil recovery

Inactive Publication Date: 2019-12-31
SAUDI ARABIAN OIL CO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This requires daily or weekly operator intervention and long turnaround times for sample measurements

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  • Detecting tracer breakthrough from multiple wells commingled at a gas oil separation plant
  • Detecting tracer breakthrough from multiple wells commingled at a gas oil separation plant
  • Detecting tracer breakthrough from multiple wells commingled at a gas oil separation plant

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Embodiment Construction

[0029] Figure 1A is a schematic diagram illustrating an example of an oil and gas production well system 100 provided by the present specification. Well system 100 may be deployed at a well site. The well system 100 includes a plurality of wells 102a, 102b, 102c separated from each other but located within the same wellsite (ie, formed in the same hydrocarbon reservoir from which hydrocarbons are extracted).

[0030] Each well 102a, 102b, or 102c extends from a respective wellhead 104a, 104b, or 104c at the Earth's surface (or Earth's surface) 101 into a respective subsurface zone of interest 106a, 106b, or 106c in the hydrocarbon reservoir 103 . For example, well 102a extends from wellhead 104a at earth's surface 101 into subsurface zone 106a in hydrocarbon reservoir 103 . Well 102a, 102b, or 102c may be any suitable type of well, eg, a well comprising a single well bore like well 102a or 102c, or a well comprising multiple well bores like well 102b. Well 102a, 102b, or 10...

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Abstract

Methods and systems for determining tracer breakthrough from multiple wells commingled at a gas oil separation plant (GOSP) are provided. An example hydrocarbon reservoir monitoring method includes periodically sampling fluid carried by a water line of a gas oil separation plant (GOSP). The GOSP is configured to receive commingled well hydrocarbon fluids from multiple wells formed in multiple regions of a hydrocarbon reservoir, separate the well fluids into hydrocarbon components including water, and flow the water through the water line. The multiple regions are tagged with respective tracers. Each tracer is injected into a respective region of the hydrocarbon reservoir surrounding a respective well and can flow into the respective well in response to a well breakthrough. The method alsoincludes analyzing each sampled fluid for one or more tracers of the multiple tracers and monitoring the multiple wells for fluid breakthrough based on results of analyzing each sampled fluid.

Description

[0001] priority claim [0002] This application claims priority to US Provisional Patent Application No. 62 / 475,685, filed March 23, 2017, the entire contents of which are hereby incorporated by reference. technical field [0003] This specification relates to, inter alia, hydrocarbon production well systems with tracer detection systems. Background technique [0004] Tracers are commonly used in the petroleum industry to track the flow regime of oil and water through a reservoir. The tracer may be injected into the reservoir, after which the production line is sampled to determine the concentration of tracer present when the tracer arrives. Concentration data can be used to understand fluid flow regimes and can be used to infer other properties of the reservoir, such as pore volume and flow characteristics. Data from multi-well tracer analysis can provide valuable information on well connectivity, sweep coefficient, and identification of geological anomalies, including fr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/10E21B21/06
CPCE21B21/063G01N33/2882G01N33/2823E21B47/11E21B43/34E21B49/086G01N1/14G01N2030/025G01N30/7206G01N2001/1025G01N2021/6417G01N21/64
Inventor 德米特里·科辛金埃丽卡·休梅克·埃利斯穆罕默德·阿拉斯卡尔阿夫南·马沙特
Owner SAUDI ARABIAN OIL CO
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