Pioneer land rig with AC drawworks spuds first well

Pioneer Drilling Co. Ltd.'s newly built rig No. 7, shown at its construction site, incorporates a modular design and telescoping substructure and derrick. The rig has a smaller footprint than most rigs its size. Crews can move it with fewer loads (Fig. 1).Click here to enlarge imageIn August, Pioneer Drilling Co. Ltd., San Antonio, mobilized the first of two new IRI 1700E series rigs built by National Oilwell Inc., Houston (Fig. 1). The 1,700 hp Rig No. 7 spudded its first well, the Leonard Haynes No. 66, in Zapata County, Tex. for Pogo Producing Co., Houston.Pioneer's second rig (No. 8), currently under construction in National's Corpus Christi yard, is scheduled for comple...

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