Patent application number | Description | Published |
20100282466 | Acid-Soluble Cement Compositions Comprising Cement Kiln Dust and/or a Natural Pozzolan and Methods of Use - The present invention relates to acid-soluble cement compositions that comprise cement kiln dust (“CKD”) and/or a natural pozzolan and associated methods of use. An embodiment includes a method of cementing comprising: placing an acid-soluble cement composition in a subterranean formation, wherein the acid-soluble cement composition comprises a hydraulic cement, a component selected from the group consisting of CKD, pumicite, and a combination thereof, and water; allowing the acid-soluble cement composition to set; and contacting the set acid-soluble cement composition with an acid to dissolve the set acid-soluble cement composition. | 11-11-2010 |
20120152539 | Settable Compositions Comprising Interground Perlite and Hydraulic Cement - Methods and compositions are disclosed that comprise interground perlite and hydraulic cement. An embodiment provides a method of cementing comprising: providing a settable composition comprising perlite, hydraulic cement, and water, wherein the perlite and hydraulic cement are interground prior to combination with the water to form the settable composition; and allowing the settable composition to set. | 06-21-2012 |
20130087331 | LOST-CIRCULATION MATERIAL MADE FROM A RECYCLED CERAMIC - A composition comprises: a treatment fluid comprising a lost-circulation material, wherein the lost-circulation material comprises a ceramic, and wherein the lost-circulation material has a median particle size in the range from about 0.001 millimeters to about 25.4 millimeters. According to another embodiment, a composition comprises: the treatment fluid comprising a lost-circulation material, wherein the lost-circulation material comprises a ceramic, and wherein the median particle size and the concentration of the lost-circulation material is selected such that the treatment fluid has a sealing pressure of at least 50 psi (0.3 MPa). A method of eliminating or reducing lost circulation from a well comprises: introducing the treatment fluid into at least a portion of the well. | 04-11-2013 |
20130105161 | Delayed, Swellable Particles for Prevention of Fluid Migration Through Damaged Cement Sheaths | 05-02-2013 |
20130112405 | Consolidating Spacer Fluids and Methods of Use - Disclosed are spacer fluids and methods of use in subterranean formations. Embodiments may include use of consolidating spacer fluids in displacement of drilling fluids from a well bore annulus. | 05-09-2013 |
20130153214 | Compositions Containing Kiln Dust and/or Biowaste Ash and Methods of Use - An embodiment of the present invention comprises a method of treating a subterranean formation comprising: providing a treatment fluid comprising a kiln dust, biowaste ash, and water; and introducing the treatment fluid into a subterranean formation. Another embodiment of the present invention comprises a method of cementing comprising: introducing a cement composition into a subterranean formation, wherein the cement composition comprises a kiln dust, biowaste ash, and water; and allowing the cement composition to set in the subterranean formation. Yet another embodiment of the present invention comprises a method comprising: providing a spacer fluid comprising biowaste ash and water; introducing the spacer fluid into a well bore to displace at least a portion of a first fluid from the well bore; and introducing a cement composition into the well bore, wherein the spacer fluid separates the cement composition and the first fluid. | 06-20-2013 |
20130210685 | Consolidating Spacer Fluids and Methods of Use - Disclosed are spacer fluids and methods of use in subterranean formations. Embodiments may include use of consolidating spacer fluids in displacement of drilling fluids from a well bore annulus. | 08-15-2013 |
20130213642 | Consolidating Spacer Fluids and Methods of Use - Disclosed are spacer fluids and methods of use in subterranean formations. Embodiments may include use of consolidating spacer fluids in displacement of drilling fluids from a well bore annulus. | 08-22-2013 |
20130213643 | Consolidating Spacer Fluids and Methods of Use - Disclosed are spacer fluids and methods of use in subterranean formations. Embodiments may include use of consolidating spacer fluids in displacement of drilling fluids from a well bore annulus. | 08-22-2013 |
20130233538 | Methods and Systems for Evaluating a Boundary Between a Consolidating Spacer Fluid and a Cement Composition - Disclosed are spacer fluids and methods of use in subterranean formations. Embodiments may include use of consolidating spacer fluids in displacement of drilling fluids from a well bore annulus. Embodiments may include determining the boundary between a cement composition and a consolidating spacer fluid based on presence of tagging material in the well bore. | 09-12-2013 |
20140076204 | Acid-Soluble Cement Compositions Comprising Cement Kiln Dust and/or a Natural Pozzolan and Methods of Use - The present invention relates to acid-soluble cement compositions that comprise cement kiln dust (“CKD”) and/or a natural pozzolan and associated methods of use. An embodiment includes a method of cementing comprising: placing an acid-soluble cement composition in a subterranean formation, wherein the acid-soluble cement composition comprises a hydraulic cement, a component selected from the group consisting of CKD, pumicite, and a combination thereof, and water; allowing the acid-soluble cement composition to set; and contacting the set acid-soluble cement composition with an acid to dissolve the set acid-soluble cement composition. | 03-20-2014 |
20140123879 | Settable Compositions Comprising Interground Perlite and Hydraulic Cement - Methods and compositions are disclosed that comprise interground perlite and hydraulic cement. An embodiment provides a composition comprising interground perlite and hydraulic cement. Another embodiment provides a composition comprising: interground unexpanded perlite and Portland cement, the interground having a mean particle size of about 0.5 microns to about 10 microns; and water. | 05-08-2014 |
20140318419 | Pumice-Containing Remedial Compositions and Methods of Use - Methods and compositions are provided that utilize pumice and various additives. Embodiments provide pumice-containing remedial compositions. One of the pumice-containing remedial composition embodiments comprises pumice; a calcium activator; and water, wherein the pumice-containing remedial composition has a density of less than about 13.5 pounds per gallon, and wherein the pumice-containing remedial composition is free of Portland cement. | 10-30-2014 |
20140318764 | Pumice-Containing Remedial Compositions and Methods of Use - Systems for remedial cementing are provided that utilize pumice and various additives. One of the systems for remedial cementing embodiments comprises a lightweight settable composition comprising pumice, a calcium activator, and water, wherein the lightweight settable composition has a density of less than about 13.5 pounds per gallon; mixing equipment for mixing the lightweight settable composition; and pumping equipment for delivering the lightweight settable composition to a well bore. | 10-30-2014 |
20140318784 | Pumice-Containing Remedial Compositions and Methods of Use - Methods and compositions are provided that utilize pumice and various additives. An embodiment provides a method of remedial cementing in a subterranean formation comprising: providing a lightweight settable composition comprising pumice, a calcium activator, and water, wherein the lightweight settable composition has a density of less than about 13.5 pounds per gallon and is free of Portland cement; and using the lightweight settable composition in a remedial cementing method to seal one or more voids in a well bore. Also provided are pumice-containing remedial compositions and systems for remedial cementing. | 10-30-2014 |