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    • 3. 发明申请
    • SCREEN ASSEMBLY AND A METHOD FOR MAKING SAME
    • 屏幕组件及其制造方法
    • WO2012101418A3
    • 2013-12-05
    • PCT/GB2012050044
    • 2012-01-10
    • NAT OILWELL VARCO LPBURNETT GEORGE ALEXANDER
    • BURNETT GEORGE ALEXANDER
    • B07B1/28E21B21/06
    • B01D35/28B07B1/28B07B1/46B29C45/14467
    • A screen assembly for a shale shaker, the screen assembly comprising a support structure (602) and at least one layer of screening material (601) thereon, wherein the support structure (602) comprises structural members (605,606) having a thermal expansion coefficient and the at least one layer of screening material (601) has a thermal expansion coefficient characterised in that the thermal expansion coefficient of the structural members (605,606) is substantially equal to the thermal expansion coefficient of the at least one layer of screening material (601).The invention also provides a method for making a support structure for a screen assembly, the method comprising the steps of placing at least one support member (605,606) in a mould whereupon a flowable plastics material is injected into the mould, whereupon the flowable plastics material hardens, at least a portion of the flowable plastics material forming a brace (617).
    • 一种用于页岩振动筛的筛组件,所述筛组件包括支撑结构(602)和至少一层筛网材料(601),其中所述支撑结构(602)包括具有热膨胀系数的结构构件(605,606) 所述至少一层筛选材料(601)具有热膨胀系数,其特征在于,所述结构构件(605,606)的热膨胀系数基本上等于所述至少一层筛选材料(601)的热膨胀系数, 本发明还提供了一种用于制造用于筛组件的支撑结构的方法,该方法包括以下步骤:将至少一个支撑构件(605,606)放置在模具中,然后将可流动的塑料材料注入模具中,由此可流动的塑料 材料硬化,至少一部分可流动的塑料材料形成支架(617)。
    • 4. 发明申请
    • APPARATUS AND METHOD FOR SEPARATING SOLIDS FROM A SOLIDS LADEN DRILLING FLUID
    • 用于从固体梯级钻井液中分离固体的装置和方法
    • WO2011135325A3
    • 2013-04-25
    • PCT/GB2011050714
    • 2011-04-11
    • NAT OILWELL VARCO LPBURNETT GEORGE ALEXANDERLARSON THOMAS ROBERT
    • BURNETT GEORGE ALEXANDERLARSON THOMAS ROBERT
    • B07B1/46B01D33/03B01D33/44B07B13/16
    • B07B1/46B01D33/0376B01D33/41B07B13/16B07B2201/04B07B2230/01
    • A shale shaker for separating solids from solids laden drilling fluid, said shale shaker comprising a basket (100) having a first screen assembly (122a, 122b) in an upper screen deck (112) and a second screen assembly (125a, 125b) in a lower screen deck (113), the basket (100) further comprising a flow tray (121) for feeding solids laden drilling fluid to a first duct (107A-D) and a second duct (108A-D), the first duct (107A-D) for feeding solids laden drilling fluid to the first screen assembly (122a, 122b) and the second duct (108A-D) feeding solids laden drilling fluid to the second screen assembly (125a, 125b) characterised in that the second duct (108A- D) comprises a plurality of second duct openings (103A-D) for dividing the feed of solids laden drilling fluid and at least one discharge opening (110B,110D) for dispersing said solids laden drilling fluid on to the second screen assembly (122a, 122b; 125a, 125b).
    • 一种用于从固体填充的钻井液中分离固体的页岩振荡器,所述的页岩振荡器包括一个在上筛板(112)中具有第一筛网组件(122a,122b)和第二筛网组件(125a,125b)的篮(100) 下部筛板(113),所述篮子(100)还包括用于将固体填充的钻井流体送入第一管道(107A-D)和第二管道(108A-D)的流动盘(121) 107A-D),用于将固体填充的钻井液进料到第一筛网组件(122a,122b)和第二管道(108A-D)将第二筛网组件(125a,125b)的固含量钻井液送入第二筛管组件 (108A-D)包括多个第二管道开口(103A-D),用于分割装载有固体的钻井液的进料和至少一个排出口(110B,110D),用于将所述固体填充的钻井液分散到第二筛网组件 (122a,122b; 125a,125b)。
    • 6. 发明专利
    • APPARATUS AND METHOD FOR SEPARATING SOLIDS FROM A SOLIDS LADEN DRILLING FLUID
    • MY193746A
    • 2022-10-27
    • MYPI2014002086
    • 2011-04-11
    • NAT OILWELL VARCO LP
    • BURNETT GEORGE ALEXANDERLARSON THOMAS ROBERT
    • B07B1/46
    • A method for controlling a shale shaker comprising a base (D), a basket (100) isolated from the base (D), the basket (100) comprising a scalping deck (111) having a scalping screen (115), an upper deck (112) having a screen assembly (122a,122b) and a lower deck (113) having a fine screen assembly (125a,125b), the upper deck (112) being fed with scalped solids laden drilling fluid from a flow tray (121), the upper screen deck (112) having a feed end and a solids discharge end, characterised in that the flow tray (12l)comprises a first duct (107A-D) for feeding scalped solids laden drilling mud from the flow tray (121) to the upper deck (112) and a second duct (108A-D) for feeding and scalped solids laden drilling fluid to the lower deck (113) and a weir (200A-G) located at the feed end between said first duct (107A-D) and the second duct (108A-D), the method comprising the steps of a pond of scalped solids laden drilling fluid forming on the screen assembly (122a,122b) of the upper deck (112) and in the first duct (107A-D) excess scalped solids laden drilling fluid passing over the weir (200A-G) into the second duct (108A-D) and on to the feed end of the fine screen assembly (125a,125b) of the lower screen deck (113).