富满油田流体代表性评价及分布特征研究

doi:10.11885/j.issn.1674-5086.2023.10.16.01

西南石油大学学报(自然科学版) ›› 2025, Vol. 47 ›› Issue (5): 112-120.DOI: 10.11885/j.issn.1674-5086.2023.10.16.01

富满油田流体代表性评价及分布特征研究

张杰^1,2, 刘志良^1,2,3, 汪鹏¹, 赵龙飞¹, 涂汉敏⁴

1. 中国石油塔里木油田分公司, 新疆库尔勒 841000;
2. 中国石油天然气集团有限公司超深层复杂油气藏勘探开发技术研发中心, 新疆库尔勒 841000;
3. 国家能源碳酸盐岩油气重点实验室, 新疆库尔勒 841000;
4. 油气藏地质及开发工程全国重点实验室·西南石油大学, 四川成都 610500

收稿日期:2023-10-16 发布日期:2025-11-04
通讯作者: 涂汉敏，E-mail:tuhanmin20@163.com
作者简介:张杰，1982年生，男，汉族，山东胶南人，高级工程师，主要从事油气藏开发地质研究工作。E-mail:zhangjietlm@petrochina.com.cn
刘志良，1982年生，男，汉族，河北正定人，高级工程师，硕士，主要从事碳酸盐岩油气藏开发及提高采收率等方面的科研与生产工作。E-mail: lzliangtlm@petrochina.com.cn
汪鹏，1988年生，男，汉族，安徽无为人，高级工程师，硕士，主要从事碳酸盐岩油气藏开发及提高采收率方面的工作。E-mail: wpeng1tlm@petrochina.com.cn
赵龙飞，1988年生，男，汉族，河北石家庄人，高级工程师，硕士，主要从事碳酸盐岩物探研究及油气藏开发方面的工作。E-mail: zhaolftlm@petrochina.com.cn
涂汉敏，1989年生，女，汉族，四川广元人，讲师，博士，主要从事气田及凝析气田开发、油气藏流体相态及注气提高采收率等研究工作。E-mail: tuhanmin20@163.com
基金资助:
中国石油重大科技专项（2023ZZ16YJ03）

Fluid Representativeness Evaluation and Fluid Distribution Characteristics of Fuman Oilfield

ZHANG Jie^1,2, LIU Zhiliang^1,2,3, WANG Peng¹, ZHAO Longfei¹, TU Hanmin⁴

1. Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000, China;
2. R & D Center for Ultra Deep Complex Reservoir Exploration and Development, CNPC, Korla, Xinjiang 841000, China;
3. State Energy Key Laboratory of Carbonate Oil and Gas, Korla, Xinjiang 841000, China;
4. National Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China

Received:2023-10-16 Published:2025-11-04

摘要/Abstract

摘要： 富满油田储层埋深大于7 000 m，温度、压力高，地层流体类型多样，分布复杂。油田前期进行了大量流体取样工作，发现部分样品PVT单脱气油比与生产气油比不匹配，难以反映地层流体性质。为此，针对富满油田已取得的井下和分离器流体样品，在参考相关标准基础上，考虑流体取样分析结果与生产动态是否匹配，建立了超深、高温及超高压富满油田流体样品代表性评价方法，评价了58井次样品的代表性，分析了影响样品代表性的因素。研究表明，流体样品代表性差的主要原因是取样前取样井生产不稳定，井下样取样深度浅和分离器样油气分离不平衡。在所有代表性样品中，分离器样占比67.74%，推荐分离器取样作为富满油田今后主要的取样方式。在取得代表性样品基础上，分析富满油田流体整体呈现从西向东，从北到南，流体变轻的规律。

关键词: 富满油田, 分离器取样, 井下取样, 代表性评价, 流体分布特征

Abstract: The reservoir in the Fuman Oilfield is buried at a depth of more than 7 000 m, with high temperature, high pressure, various types of formation fluids, and complex distribution patterns. A significant amount of sampling work was carried out in the early stages of exploring the Fuman Oilfield. It was discovered that in some samples, the dissolved gas oil ratio in the PVT experiment did not match the production gas oil ratio, failing to reflect the properties of the formation fluid accurately. Consequently, an evaluation method for the representativeness of fluid samples from the ultra-deep, high-temperature, and ultrahigh-pressure Fuman reservoirs has been established based on relevant standards and considering whether the dissolved gas to oil ratio aligns with production performance. The representativeness of samples from 58 wells was evaluated, and the factors affecting sample representativeness were analyzed. The research shows that the main reasons for poor sample representativeness include unstable production conditions in the sampling wells prior to sampling, shallow sampling depth for downhole samples, and the imbalance in oil-gas separation during separator sampling. Among all representative samples, the sample collected by separator sampling accounts for 67.74%, and it is recommended that separator sampling be the primary method for Fuman Oilfield in the future. Based on the representative samples obtained, the overall fluids in the Fuman Oilfield showed a trend of lighter fluids from west to east and from north to south.

Key words: Fuman Oilfield, separator sampling, downhole sampling, representativeness evaluation, fluid distribution characteristics

中图分类号:

TE311

张杰, 刘志良, 汪鹏, 赵龙飞, 涂汉敏. 富满油田流体代表性评价及分布特征研究[J]. 西南石油大学学报(自然科学版), 2025, 47(5): 112-120.

ZHANG Jie, LIU Zhiliang, WANG Peng, ZHAO Longfei, TU Hanmin. Fluid Representativeness Evaluation and Fluid Distribution Characteristics of Fuman Oilfield[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2025, 47(5): 112-120.

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富满油田流体代表性评价及分布特征研究

Fluid Representativeness Evaluation and Fluid Distribution Characteristics of Fuman Oilfield

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