AQUEOUS CEMENTING COMPOSITION ADAPTABLE TO HIGH TURBULENT FLOW AND LOW FLUID LOSS TO POROUS CONTACTING SURFACES,AND METHOD OF CEMENTING A WELL USING SAME

• US 3,465,825 A
• Filed: 12/02/1966
• Issued: 09/09/1969
• Est. Priority Date: 12/02/1966
• Status: Expired due to Term

• Current Assignee: Dowell Schlumberger Incorporated (Schlumberger NV)
• Original Assignee: Clare H. Kucera, Fred E. Hook, L J. Scott Jr
• Inventors: Hook, Fred E., Kucera, Clare H., Scott, L J. Jr.
• Application Number:
  US04/598,664
• Time in Patent Office: 1,012 Days
• US Class Current: 166/293
• CPC Class Codes: C04B 2103/46 Water-loss or fluid-loss reducers, hygroscopic or hydrophilic agents, water retention agents
• CPC Class Codes: C04B 24/12 Nitrogen containing compounds organic derivatives of hydrazine hydrazine C04B22/00
• CPC Class Codes: C04B 24/16 Sulfur-containing compounds
• CPC Class Codes: C04B 24/22 Condensation or polymerisation products thereof
• CPC Class Codes: C04B 24/26 obtained by reactions only involving carbon-to-carbon unsaturated bonds C04B24/243 takes precedence
• CPC Class Codes: C04B 24/383 Cellulose or derivatives thereof
• CPC Class Codes: C04B 28/02 containing hydraulic cements other than calcium sulfates
• CPC Class Codes: C04B 40/00 Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability active ingredients C04B22/00 - C04B24/00; hardening of a well-defined composition C04B26/00 - C04B28/00; making porous, cellular or lightening C04B38/00; mechanical aspects B28, e.g. conditioning the materials prior to shaping B28B17/02
• CPC Class Codes: C09K 8/46 containing inorganic binders, e.g. Portland cement
• CPC Class Codes: C09K 8/487 Fluid loss control additives; Additives for reducing or preventing circulation loss
• CPC Class Codes: E21B 33/138 Plastering the borehole wall; Injecting into the formation

Claims