Earthen Formation Patents (Class 405/129.35)
Hydraulic fracture (Class 405/129.4)
  • Methods of sealing pipe strings in disposal wells
    Patent number: 6321841
    Abstract: Improved methods of completing wells penetrating subterranean corrosive fluid disposal zones are provided. The methods basically comprise the steps of preparing a pumpable, water compatible, corrosion resistant, hardenable epoxy sealing composition comprised of a hardenable epoxide containing liquid and a hardening agent, placing the epoxy sealing composition in the annulus between a string of pipe and a well bore penetrating a disposal zone and allowing the epoxy sealing composition to harden.
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: November 27, 2001
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Larry S. Eoff, Jiten Chatterji, Roger S. Cromwell, Bobby J. King
  • Method for biosolid disposal and methane generation
    Patent number: 6287248
    Abstract: A method for the disposal of biosolids, such as municipal sewage waste, comprising injecting the biosolids into a subsurface injection formation. The method can include recovering methane generated from the degradation of the biosolids.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: September 11, 2001
    Assignee: Terralog Technologies USA, Inc.
    Inventors: Michael S. Bruno, Maurice B. Dusseault, Roman Bilak