录井业务发展的瓶颈与对策

目前,传统录井行业的发展面临着地质服务能力较弱、业务经济总量和利润较低等问题。要摆脱录井行业的被动局面,其解决方案涉及4个方面:1丰富定量化采集手段,摒弃单纯的地面采集方式,实施传感器下井,推进录井数据向钻头及井筒周围延伸,实现地面地下同时录井;2提高设备自动化、智能化程度,通过开发录井采集、解释一体化的软件系统和智能化的预警预报远程监控系统,在一个端口监控多口井,实现单井无人值守,从而减少用工总量;3拓展录井解释方法,应用MWD/LWD随钻测量资料、综合录井资料和动态跟踪,进行轨迹动态设计,实现真正意义上的地质导向;4努力探索创新"单井服务"和"区域服务"两种工程技术服务模式,不断拓展录井业务发展空间。为此,中石油川庆钻探工程公司地质勘探开发研究院进行了大量有益的探索和尝试。实践表明,单井服务模式在川渝气区实现了规模化应用,而区域服务模式在海外赢得了良好的声誉,录井业务量增加,地质服务能力、产值及利润得到明显提升。

Bottlenecking problems in mud logging services development and countermeasures

At present, traditional logging services are being challenged by poor geological service capability, low economic aggregate, low profit and so on. To struggle out of such passive situation, we presented solutions in the following four aspects. First, to enrich the quantitative acquisition approaches to logging data collection. Abandoning the simple ground data acquisition method, we put sensors down a hole and advanced them to the bit and around the wellbore to achieve logging ground and downhole simultaneously. Second, to improve the automation and intelligentization degree of equipment. Through the development of integrated logging, collection and interpretation software and intelligent warning, forecasting and remote monitoring systems, many wells can be monitored at only one monitoring port with unattended operation at each single well, thus to reduce the total work force. Third, to expand logging interpretation methods. The dynamic design of a well’s trajectory will be performed through measurement and logging while drilling (MWD/LWD) data integrated with mud logging information and dynamic tracking, thus to really achieve geosteering in the end. Fourth, to strive for exploring two types of engineering technical services: single-well service and regional service. This will help create more opportunities for mud logging services. Numerous field practices demonstrate that the single-well service has been employed on a large scale especially in Sichuan and Chongqing gas fields, while the regional service has won good reputation in many overseas projects; as a result, not only the volume of mud logging services has increased, but the geological service capability, output value and profit have all been obviously improved.