苏里格气田气井配产与递减率关系研究及应用

doi:10.11885/j.issn.1674-5086.2018.12.07.01

西南石油大学学报(自然科学版) ›› 2020, Vol. 42 ›› Issue (1): 126-132.DOI: 10.11885/j.issn.1674-5086.2018.12.07.01

苏里格气田气井配产与递减率关系研究及应用

李鹏^1,2, 范倩倩^1,2, 霍明会^1,2, 郑腊年^1,2, 岳君^1,2

1. 中国石油长庆油田分公司勘探开发研究院, 陕西西安 710018;
2. 低渗透油气田勘探开发国家工程实验室, 陕西西安 710018

收稿日期:2018-12-07 出版日期:2020-02-10 发布日期:2020-02-10
通讯作者: 李鹏,E-mail:lipeng7_cq@petrochina.com.cn
作者简介:李鹏,1988年生,男,汉族,陕西渭南人,工程师,硕士,主要从事油气田开发方面的研究。E-mail:lipeng7_cq@petrochina.com.cn;范倩倩,1987年生,女,汉族,河南三门峡人,工程师,硕士,主要从事油气田开发方面的研究。E-mail:fqq2_cq@petrochina.com.cn;霍明会,1987年生,女,汉族,河北唐山人,工程师,硕士,主要从事油气田开发方面的研究。E-mail:hmh02_cq@petrochina.com.cn;郑腊年,1986年生,女,汉族,湖北枣阳人,工程师,硕士,主要从事油气田开发方面的研究。E-mail:zhenglanian_cq@petrochina.com.cn;岳君,1987年生,男,汉族,四川自贡人,工程师,主要从事油气田开发方面的研究。E-mail:yuejun_cq@petrochina.com.cn
基金资助:
中国石油天然气股份公司重大科技专项（2016E0509）

Researches on Relationship Between Production Allocation and Decline Rate of Gas Wells in Sulige Gas Field

LI Peng^1,2, FAN Qianqian^1,2, HUO Minghui^1,2, ZHENG Lanian^1,2, YUE Jun^1,2

1. Exploration and Development Reserch Institute, Changqing Oilfield Company, PetroChina, Xi′an, Shaanxi 710018, China;
2. National Engineering Laboratory for Exploration and Development of Low-Permeability Oil&Gas Fields, Xi′an, Shaanxi 710018, China

Received:2018-12-07 Online:2020-02-10 Published:2020-02-10

摘要/Abstract

摘要： 为确定气井在满足一定初期递减率条件下的合理配产，在假设气井初期配产不影响最终累积产气量的前提下，利用Arps衰竭式递减分析理论，明确了新井配产与初期日递减率成正比的关系，将初期日递减率转换为初期年递减率，最终确定了气井配产与初期年递减率的关系，并建立了气井配产降低程度与初期年递减率降低程度的理论图版。同时运用图版可指导新投产气井合理配产并确定气田产能建设工作量。研究认为，通过降低配产达到降低气井递减方式中，气井递减率降低幅度与初期年递减率大小及配产降低幅度有关，而与配产降低的绝对数值无关；初期年递减率越大的气井，通过降低配产而达到降低气井递减的效果越明显；而对于初期年递减率较小的气井，通过降低配产而降低递减的效果不明显。

关键词: 苏里格气田, 衰竭式递减, 气井配产, 理论图版, 产能建设

Abstract: To determine the rational production allocation for gas wells with a certain initial decline rate, Arps decline curve analysis was used to clarify the positive proportionality between new well production allocation and its initial daily decline rate, assuming that the initial production allocation of the gas wells is not affected by their final cumulative gas production. The initial daily decline rate was then converted into the initial annual decline rate to determine the relationship between the gas well production allocation and the initial annual decline rate, and a theoretical chart was established for the degrees of reduction in gas well production and in the initial annual decline rate, which can be used to guide the rational production allocation of new gas wells and determine the workload for gas field capacity building. This study demonstrated that, in reducing production allocation to reduce gas well decline, the magnitude of reduction in gas well decline rate is related to the magnitude of the initial annual decline rate and the magnitude of the reduction in production allocation, rather than the absolute value of the reduction in production allocation. The larger the initial annual decline of the gas wells, the more significant is the reduction in gas well decline through reduction of production allocation. The opposite is observed for gas wells with relatively small initial annual decline, whose reduction decline is not significant through reduction of production allocation.

Key words: Sulige Gas Field, depletion exploitation decline, gas well production allocation, theoretical chart, productivity construction

中图分类号:

TE33⁺2

李鹏, 范倩倩, 霍明会, 郑腊年, 岳君. 苏里格气田气井配产与递减率关系研究及应用[J]. 西南石油大学学报(自然科学版), 2020, 42(1): 126-132.

LI Peng, FAN Qianqian, HUO Minghui, ZHENG Lanian, YUE Jun. Researches on Relationship Between Production Allocation and Decline Rate of Gas Wells in Sulige Gas Field[J]. 西南石油大学学报(自然科学版), 2020, 42(1): 126-132.

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苏里格气田气井配产与递减率关系研究及应用

Researches on Relationship Between Production Allocation and Decline Rate of Gas Wells in Sulige Gas Field

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