It analysed the feasibility and the limitation of applying mining rig and water well rig to slimhole drilling in shallow gas bearing reservoirs.
分析了矿业钻机与水井钻机用于浅层天然气小眼钻井的可行性及局限性。
2
On the base of that, the matching construction of the ocean workover rig for side tracking was discussed. This provided a new way for the slimhole drilling.