New drills, bits reduce HPHT well costs in Venezuela field

04/10/2006
Turbodrills and diamond-impregnated drill bits have improved drilling metrics through hard, abrasive, allochthonous Mesozoic rocks overlying productive Miocene formations.Drilling in the Bosque field in eastern Venezuela has long been costly and time-consuming. Many efforts have been undertaken over the years to minimize expenditures, with some limited success. Drilling operations in the Bosque field are impacted by the Aloctono block, a hard, abrasive faulted structure with large dips. Click here to enlarge imageThe main characteristic of this area is an inverse fault trending north-south, called “Pirital’s landslide.” Drillers encounter numerous problems when drilling...
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