ダウンホールの圧力測定装置のない電気ポンプの井戸の生産メーターのモデル化と適用
Yongcang Ren1,2,3,4, Da Guo1,2,3,4, Yizhen Sun5
1R&D Center for Ultra Deep Complex Reservoir Exploration and Development, CNPC Korla, Korla, Xinjiang, China.
PloS one
|August 20, 2025
まとめ
新しいデジタル方法により,電気潜水式ポンプ (ESP) 井戸の生産量測定が改善され,コストが削減され,精度が向上します. このイノベーションは油田のスマートな管理と井戸診断を助長する.
科学分野:
- 石油工学
- 人工エレベーターシステム
- デジタル油田技術
背景:
- タリム油田の電気潜水式ポンプ (ESP) 井戸の手動生産測定は,頻度が低くコストが高く特徴付けられています.
- 現存する方法は,リアルタイムのモニタリングと効率的な生産管理に課題を提示しています.
研究 の 目的:
- 手動測定の限界を克服するために,ESP井戸のデジタル生産測定法を開発する.
- 精確で効率的なESP井戸生産計算のための数学的モデルを確立する.
主な方法:
- エネルギー保存の原理 (入力モーターのパワー=出力ポンプのパワー) を利用した.
- 組み込まれた表面チューブとキャスティング圧力,モーター電流,モーター/ポンプの性能曲線.
- パンプの性能曲線に適用された粘度補正は,補正された功率計算方法です.
主要な成果:
- デジタル生産測定の数学モデルが確立され,検証されました.
- 計算された結果は,現場での流量データと修正されたとき,測定された結果と密接に一致しました.
- この方法は,統合された生産井戸の出力を正確に割り当てることに効果を示した.
結論:
- デジタルメソッドは,ESP井戸の生産計算の正確性と効率を大幅に改善します.
- 石油井戸の生産動向をリアルタイムで監視し,インテリジェントな管理を可能にする.
- 油井のリスク警告と故障診断を容易にし,油田の全体的な操作を強化します.
関連する概念動画
Pipe Flowrate Measurement
804
In pipe flow measurement, orifice, nozzle, and Venturi meters are commonly used to determine fluid flowrates by constricting the flow area, which increases fluid velocity and reduces pressure. This pressure difference, governed by Bernoulli's principle and adjusted for real-world conditions, is essential for calculating flowrate. Each meter type is suited to specific applications based on accuracy, efficiency, and compatibility with various flow conditions.
The orifice meter is a simple,...
The orifice meter is a simple,...
804
Measurement of Fluid Pressure
306
Fluid pressure is commonly measured using devices called manometers, which rely on liquid columns to indicate pressure differences. The height of a liquid column in a manometer reflects the pressure exerted by the fluid, providing a simple yet effective means of measurement. Different types of manometers serve specific purposes based on their configurations and the type of fluids involved.
A basic form of manometer is the piezometer, a vertical tube open at the top and filled with the same...
A basic form of manometer is the piezometer, a vertical tube open at the top and filled with the same...
306
Pipe Flowrate Measurement: Problem Solving
600
A spray tank system is engineered to uniformly distribute a pest-control liquid across plants by using a pressurized mechanism. The tank, pressurized to 150 kPa, holds the pesticide at a height of 0.80 meters. Liquid flows from the tank through a 1.9 meter pipe with a diameter of 0.015 meters, angled at 0.698 radians, ultimately reaching a 0.007 meter nozzle that sprays the pesticide. Accurate calculation of the system's flow rate is crucial to ensure uniform application, and this is...
600
Application of the Energy Equation
1.1K
The application of the energy equation to centrifugal pumps is a fundamental principle in fluid dynamics and engineering. In this scenario, the energy equation is used to calculate the flow rate of a centrifugal pump responsible for transferring water between two reservoirs at different elevations. The pump applies an energy input of 7500 joules per second, and the vertical difference between the lower and upper reservoirs is 10 meters. Additionally, the head loss due to friction and other...
1.1K
Multiple Pipe Systems
833
Multipipe systems consist of complex configurations of interconnected pipes designed to transport fluids efficiently across intricate networks. They are essential in engineering applications requiring precise control over flow distribution, pressure, and head loss. They are categorized into series, parallel, loop, and network configurations, each distinguished by unique flow characteristics and applications.
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
833
Single Pipe Systems
192
In pipe flow analysis, problems are typically categorized into three types — Type I, Type II, and Type III — based on the known parameters and the desired outcome. Each type of problem addresses specific engineering requirements using fluid properties, pipe characteristics, and operational conditions.
In a Type I problem, fluid properties (density and viscosity), pipe characteristics (including diameter, length, and surface roughness), and the flow rate or average velocity are...
In a Type I problem, fluid properties (density and viscosity), pipe characteristics (including diameter, length, and surface roughness), and the flow rate or average velocity are...
192


