Method for strengthening of hole of shaft, method to drill a hole of shaft and hole well fluid of strengthening

摘要

Summary "method for strengthening of hole shaft, method to drill a hole of shaft and hole straightening fluid pit," a method for the strengthening of well bore may include providing a fluid hole strengthening well comprising a drilling fluid, a Particulates.And a fiber; introducing the fluid hole well in strengthening a hole of shaft penetrating a subterranean formation; and forming a plug comprising the particulate and fiber in a void near the hole of shaft, the plug being capable of maintaining the integrity of pressure imbalance About 1000 psi or greater. 1 / 1