Drilling fluid
    1.
    发明授权
    Drilling fluid 失效
    钻井液

    公开(公告)号:US3637493A

    公开(公告)日:1972-01-25

    申请号:US3637493D

    申请日:1969-06-30

    Applicant: TEXACO INC

    Inventor: KOLAIAN JACK H

    CPC classification number: C09K8/206 Y10S516/01

    Abstract: A chemically oxidized starch drilling fluid dispersant having improved resistance to deterioration in the presence of bacteria in a low pH mud system by heating a chemically oxidized starch dispersant for 15 to 50 minutes at temperatures of 400*-475* F. and an aqueous drilling fluid containing the heated chemically oxidized starch dispersant.

    Abstract translation: 一种化学氧化淀粉钻井液分散剂,其在低pH泥浆体系中通过在400-475°F的温度下加热化学氧化淀粉分散剂15至50分钟而具有改善的抗细菌劣化性能,以及含水钻井液 含有加热的化学氧化淀粉分散剂。

    Drilling fluid
    5.
    发明授权
    Drilling fluid 失效
    钻井液

    公开(公告)号:US3640825A

    公开(公告)日:1972-02-08

    申请号:US3640825D

    申请日:1970-04-27

    Applicant: TEXACO INC

    Inventor: KOLAIAN JACK H

    CPC classification number: C09K8/22 Y10S516/01 Y10S516/06

    Abstract: An aqueous drilling fluid dispersant and a method of drilling wells using said drilling fluid which contains a substituted dihydroxybenzene compound as the dispersant, namely, a dihydroxybenzene compound selected from the group consisting of a 1,2-dihydroxybenzene containing as a substituent in the 4 position a nitro-, a chloro-, a formyl-, or a (2''carboxyethenyl)-group and mixtures of said compounds.

    Abstract translation: 含水钻井液分散剂和使用含有取代的二羟基苯化合物作为分散剂的所述钻井液钻井的方法,即选自在4位含有取代基的1,2-二羟基苯的二羟基苯化合物 硝基,氯,甲酰基或(2'-羧基乙烯基) - 基团和所述化合物的混合物。

    Drilling fluid
    6.
    发明授权
    Drilling fluid 失效
    钻井液

    公开(公告)号:US3637492A

    公开(公告)日:1972-01-25

    申请号:US3637492D

    申请日:1970-04-27

    Applicant: TEXACO INC

    Inventor: KOLAIAN JACK H

    CPC classification number: C09K8/22 Y10S516/01

    Abstract: An aqueous drilling fluid dispersant and a method of drilling wells using said drilling fluid which contains a substituted dihydroxybenzene compound as the dispersant, namely, a substituted dihydroxybenzene compound selected from the group consisting of 2,5-dihydroxy-1,4-benzoquinone, 2,5-dihydroxy-3,6dichloro-1,4-benzoquinone, 4,5-dihydroxy-1,2-benzoquinone, 4,5dihydroxy-3,6-dichloro-1,2-benzoquinone and mixtures of said compounds.

    Abstract translation: 含水钻井液分散剂和使用含有取代的二羟基苯化合物作为分散剂的所述钻井液钻井的方法,即选自2,5-二羟基-1,4-苯醌,2 ,5-二羟基-3,6-二氯-1,4-苯醌,4,5-二羟基-1,2-苯醌,4,5-二羟基-3,6-二氯-1,2-苯醌和所述 化合物。

    Heat treatment of oxidized starch
    9.
    发明授权
    Heat treatment of oxidized starch 失效
    氧化淀粉热处理

    公开(公告)号:US3691155A

    公开(公告)日:1972-09-12

    申请号:US3691155D

    申请日:1970-12-28

    Inventor: KOLAIAN JACK H

    CPC classification number: C08B31/18 C09K8/206

    Abstract: A chemically oxidized starch drilling fluid dispersant having improved resistance to deterioration in the presence of bacteria in a low pH mud system by heating a chemically oxidized starch dispersant for 15 to 50 minutes at temperatures of 400*-475*F. and an aqueous drilling fluid containing the heated chemically oxidized starch dispersant.

    Abstract translation: 一种化学氧化淀粉钻井液分散剂,其在低pH泥浆体系中通过在400-475°F的温度下加热化学氧化淀粉分散剂15至50分钟而具有改善的抗细菌劣化性能,以及含水钻井液 含有加热的化学氧化淀粉分散剂。

    Drilling fluid
    10.
    发明授权
    Drilling fluid 失效
    钻井液

    公开(公告)号:US3657122A

    公开(公告)日:1972-04-18

    申请号:US3657122D

    申请日:1970-06-16

    Applicant: TEXACO INC

    CPC classification number: C09K8/22 Y10S516/01

    Abstract: An aqueous drilling fluid dispersant and a method of drilling wells using as the drilling fluid dispersant a dihydroxy substituted phenyl alkyl ketone, namely, 1,2-dihydroxy-4acetylbenzene, 1,2-dihydroxy-4-propionylbenzene, and mixtures thereof.

    Abstract translation: 含水钻井液分散剂和使用作为钻井流体分散剂的钻井的方法,二羟基取代的苯基烷基酮,即1,2-二羟基-4-乙酰基苯,1,2-二羟基-4-丙酰苯及其混合物。

Patent Agency Ranking