Volume 40 Issue 3
May  2012
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Xu Chanchan, Yu Jinling, Xu Xin. Manufacture and Properties Analysis of Rubber for Water Swelling Packer[J]. Petroleum Drilling Techniques, 2012, 40(3): 38-42. DOI: 10.3969/j.issn.1001-0890.2012.03.008
Citation: Xu Chanchan, Yu Jinling, Xu Xin. Manufacture and Properties Analysis of Rubber for Water Swelling Packer[J]. Petroleum Drilling Techniques, 2012, 40(3): 38-42. DOI: 10.3969/j.issn.1001-0890.2012.03.008
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Manufacture and Properties Analysis of Rubber for Water Swelling Packer

  • Drilling Technology Research Institute, Shengli Petroleum Adiministration, Sinopec, Dongying, Shandong, 257017, China

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  • Received Date: February 06, 2012
  • Revised Date: May 04, 2012
    Graphical Abstract
    • Abstract
  • Packer rubber element is the critical component of water swelling packer.The packing effect of packer is dependent on the property of water-swelling rubber.domestic in-depth research on rubber of this kind of packer and its synthetic materials is rare.Water absorbent resin is synthesized from sodium acrylate and acrylamide copolymerization in order to raise its resistance to salt.Factors which affect the water-absorption of resin are studied,and it is found that the water absorption of resin can be adjusted through changing monomer mixture rate and concentration.Nitrile butadiene rubber and water-absorbent resin are blended to make water swelling rubber.The influences of concentration and pH value of saline solution on the rubber swelling ability are studied.Tensile strength of the rubber was tested,too.Results of tests indicate that swelling ability of rubber depends on all factors mentioned above.Tensile strength of water swelling rubber made by us is very good.Finally,laboratory tests of isolation ability of the water swelling packer made with our synthesized rubber were conducted,the pressure bearing capacity up to 14 MPa,it can meet the requirement of shallow well opertation.
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    • References (11)
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    Supervisor：SINOPEC GROUP

    Sponsor：Sinopec Research Institute of Petroleum Engineering

    Serial Number：CN 11-1763/TE, ISSN 1001-0890

    Chief Editor： WANG Minsheng

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    CHEN Huinian

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