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Inhibiting wax deposition from a wax-containing oil

  • US 4,905,762 A
  • Filed: 12/30/1988
  • Issued: 03/06/1990
  • Est. Priority Date: 12/30/1988
  • Status: Expired due to Fees
First Claim
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1. A method for inhibiting wax deposition in an oil well producing a wax-containing oil comprising injecting down-hole into the oil-pool at the base of the well a wax-inhibiting amount of a copolymer of between about 62 and about 66 weight percent ethylene and about 34 and about 38 weight percent vinyl acetate, aid copolymer having an average molecular weight below about 35,000.

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