Method for completing tight oil and gas reservoirs

Abstract

A method and apparatus for processing a subterranean formation comprising stimulating and fracturing a subterranean formation, and drilling the subterranean formation wherein the drilling and fracturing occurs without removing equipment for drilling from the formation. A method and apparatus for drilling and fracturing a subterranean formation, comprising a drill string assembly and a hydraulic fracturing system, wherein the drill string and fracturing system are in communication with a wellbore and wherein the drill string and a fracture formed by the hydraulic fracturing system are less than about 1000 feet apart. A method and apparatus for processing a subterranean formation comprising fracturing a subterranean formation using a hydraulic fracturing system and drilling the subterranean formation using a drill string assembly wherein the drilling and fracturing occurs without removing the drill string from the formation, and wherein the fracturing occurs via ports in the drill string assembly.

1 . A method for processing a subterranean formation, comprising:
 stimulating and fracturing a subterranean formation; and   drilling the subterranean formation,   wherein the drilling and fracturing occurs without removing downhole drilling equipment from the formation.   
     
     
         2 . The method of  claim 1 , wherein the drilling and fracturing form a conductive fracture using acid. 
     
     
         3 . The method of  claim 1 , further comprising forming a seal along a surface of the formation. 
     
     
         4 . The method of  claim 3 , wherein the seal is temporary. 
     
     
         5 . The method of  claim 3 , wherein the seal is placed during drilling. 
     
     
         6 . The method of  claim 1 , wherein the drilling occurs using a fluid selected for its density and its ability to modify fluid temperature. 
     
     
         7 . The method of  claim 1 , further comprising introducing a composition along the surface of the subterranean formation. 
     
     
         8 . The method of  claim 7 , wherein the composition stabilizes the surface of the subterranean formation. 
     
     
         9 . The method of  claim 7 , wherein the composition has a stability that is tailored to degrade over time. 
     
     
         10 . The method of  claim 7 , wherein the composition comprises carbon dioxide or nitrogen. 
     
     
         11 . The method of  claim 7 , wherein the composition is electrosensitive or magneto sensitive. 
     
     
         12 . The method of  claim 7 , wherein the composition comprises a material that melts below formation temperature. 
     
     
         13 . The method of  claim 7 , wherein the composition comprises crosslinked polymers. 
     
     
         14 . The method of  claim 1 , wherein the fracturing comprises proppant. 
     
     
         15 . The method of  claim 14 , wherein the proppant comprises material to make it swell, shrink, or form acid. 
     
     
         16 . The method of  claim 14 , wherein the proppant comprises proppant with multiple diameters. 
     
     
         17 . The method of  claim 1 , wherein a filter cake is formed along a surface of the subterranean formation. 
     
     
         18 . The method of  claim 17 , wherein the filter cake comprises a breaker material. 
     
     
         19 . The method of  claim 18 , wherein the material is encapsulated. 
     
     
         20 . The method of  claim 17 , wherein the filter cake comprises a material to decrease cake permeability. 
     
     
         21 . The method of  claim 17 , wherein the material comprises latex or an emulsion. 
     
     
         22 . The method of  claim 17 , wherein the filter cake is tailored to prevent or allow fracture. 
     
     
         23 . The method of  claim 17 , wherein the filter cake is self-diverting. 
     
     
         24 . The method of  claim 1 , wherein the equipment comprises a drill string. 
     
     
         25 . The method of  claim 1 , further comprising controlling and/or blocking the fluid return system. 
     
     
         26 . The method of  claim 1 , wherein a pressure on the outer surface of a drill bit is controlled. 
     
     
         27 . The method of  claim 1 , further comprising pumping fluid through a bypass, annulus, or a drill string. 
     
     
         28 . The method of  claim 1 , further comprising collecting cuttings via a drillstring or annulus. 
     
     
         29 . The method of  claim 1 , further comprising introducing a packer into the wellbore. 
     
     
         30 . The method of  claim 1 , further comprising triggering the fracturing by dropping a ball into the drillstring. 
     
     
         31 . The method of  claim 1 , further comprising using optical fibers to provide feedback to control the fracturing. 
     
     
         32 . The method of  claim 1 , wherein the drilling occurs horizontally, vertically, and/or with multiple branches. 
     
     
         33 . The method of  claim 1 , further comprising measuring microseismic, temperature, sonic, information and controlling the fracturing and/or drilling using the information. 
     
     
         34 . The method of  claim 1 , wherein the fracturing comprises introducing a foam or an energized fluid into the wellbore. 
     
     
         35 . The method of  claim 1 , wherein the fracturing occurs as a drill string assembly is traveling away from a wellhead. 
     
     
         36 . The method of  claim 1 , wherein the fracturing occurs as a drill string assembly is traveling toward a wellhead. 
     
     
         37 . An apparatus for drilling and fracturing a subterranean formation, comprising:
 a drill string assembly; and   a hydraulic fracturing system,   wherein the drill string and fracturing system are in communication with a wellbore and wherein the drill string and a fracture formed by the hydraulic fracturing system are less than about 1000 feet apart.   
     
     
         38 . The apparatus of  claim 37 , further comprising a packer. 
     
     
         39 . The apparatus of  claim 37 , wherein the drill string is configured to withstand exposure to hydraulic fracturing. 
     
     
         40 . The apparatus of  claim 37 , wherein the hydraulic fracturing system is configured to fracture one stage at a time. 
     
     
         41 . The apparatus of  claim 37 , further comprising a seal that encompasses a wellbore, drill string, and a hydraulic fracturing fluid inlet port. 
     
     
         42 . The apparatus of  claim 37 , wherein the drill string is configured to deliver hydraulic fracturing fluid. 
     
     
         43 . A method for processing a subterranean formation, comprising:
 fracturing a subterranean formation using a hydraulic fracturing system; and   drilling the subterranean formation using a drill string assembly,   wherein the drilling and fracturing occurs without removing the drill string from the formation, and   wherein the fracturing occurs via ports in the drill string assembly.