×

Treatments for drill cuttings

  • US 6,602,181 B2
  • Filed: 04/16/2001
  • Issued: 08/05/2003
  • Est. Priority Date: 10/23/1998
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method comprising:

  • providing cuttings produced during drilling of a marine wellbore, said cuttings comprising free hydrocarbons; and

    , treating said cuttings at said marine wellbore with a composition effective to disperse said free hydrocarbons, producing dispersed free hydrocarbons, said treating also changing wettability of said cuttings from oil wettable to water wettable;

    encapsulating said dispersed free hydrocarbons with an encapsualting material, thereby producing a converted cutting mixture comprising isolated hydrocarbons effective to disperse upon discharge into marine waters; and

    , discharging into said marine waters said converted cutting mixture comprising said isolated hydrocarbons.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×