Deep Earth Sampling System

研究井深12~15公里取心的可行性。(40,000至50,000英尺)正在研究使用连续油管钻机和小井眼取心工具。对连续油管取心系统的关键部件进行了第一阶段的技术审查和分析，以确定是否可以使现有的连续油管钻机适应深部取心应用。审查表明，可以在五年内开发出15公里(50,000)的采样系统，通过对现有的连续油管钻机进行改造，今天可以开发出更浅的取心系统，达到6公里(20,000英尺)。在第二阶段，将研究建造高强度油管柱。深部和浅部连续油管取样系统所需的井下部件将在实验室和低至0.6公里(2000英尺)的浅部现场进行测试。浅层系统在采矿和石油勘探、浅层科学采样和水平钻井中立即得到应用。

The feasibility of coring deep research wells 12 to 15km. (40,000 to 50,000 ft.) using coiled-tubing drill rigs and slim hole coring tool is being investigated. A Phase I technical review and analysis was performed of critical components of a coiled-tubing coring system to determine if it is feasible to adapt existing coiled-tubing rigs to deep coring applications. The review showed that a 15km (50,000) sampling system could by developed within five years and a shallower system for coring, to 6km (20,000 ft.), could be developed today by retrofitting existing coiled tubing rigs. In Phase II, the construction of a high-strength tubing string will be investigated. Downhole components required for both the deep and a shallower coiled-tubing sampling system will be tested in the laboratory and in shallow field sites down to 0.6 km (2000 ft). The shallower system has immediate application in mining and petroleum exploration, shallow scientific sampling, and horizontal drilling.