Variable displacement reciprocating pump
    1.
    发明授权
    Variable displacement reciprocating pump 有权
    可变排量往复泵

    公开(公告)号:US08668466B2

    公开(公告)日:2014-03-11

    申请号:US12902031

    申请日:2010-10-11

    申请人: Thomas E. Allen

    发明人: Thomas E. Allen

    IPC分类号: F04B1/07

    摘要: A variable displacement reciprocating pump with pumping rate that is adjustable from zero to maximum stroke while the pump is running. Stroke is varied by changing relative position of pairs of eccentric inner and outer cams that drive the pump's plungers. The pump's input drive shaft drives two gear trains: a first gear train that turns the inner cams and a second gear train that turns the outer cams. These cams normally revolve together with no relative motion occurring between them. A rotary actuator is positioned in the first gear train to rotate the inner cams relative to the outer cams and thereby changes the pump's stroke. A computerized system of sensors and control valves allows the pump to be automatically controlled or limited to any one or combination of desired output flow, pressure and horsepower.

    摘要翻译: 一种可变排量往复泵,其泵送速度在泵运行时可从零到最大行程调节。 通过改变驱动泵的柱塞的偏心内凸轮和外凸轮对的相对位置来改变行程。 泵的输入驱动轴驱动两个齿轮系:转动内凸轮的第一齿轮系和转动外凸轮的第二齿轮系。 这些凸轮通常在它们之间不发生相对运动而旋转在一起。 旋转致动器定位在第一齿轮系中以相对于外凸轮旋转内凸轮,从而改变泵的行程。 传感器和控制阀的计算机化系统允许泵自动控制或限制为任何一种或组合的所需输出流量,压力和马力。

    Straight through cement mixer
    2.
    发明授权

    公开(公告)号:US08192070B2

    公开(公告)日:2012-06-05

    申请号:US12052194

    申请日:2008-03-20

    申请人: Thomas E. Allen

    发明人: Thomas E. Allen

    IPC分类号: B01F15/02 B01F15/00

    摘要: A cement mixing method for mixing cement used in cementing oil wells casing and the mixer used in that method. The mixer employs a straight bulk cement inlet, five annular recirculation jets and five annular water jet orifices located downstream of the recirculation jets so that all of the jets discharge at an angle towards the mixing chamber and the discharge from the water jet orifices intersects with the flow from the recirculation jets. This five jet, intersecting flow design allows for more thorough wetting of the cement powder with a smaller, lighter, less expensive and more durable mixer that is less inclined to foul and easier to clean.

    Method for determining absolute density of cement slurry
    3.
    发明授权
    Method for determining absolute density of cement slurry 有权
    确定水泥浆绝对密度的方法

    公开(公告)号:US07614276B2

    公开(公告)日:2009-11-10

    申请号:US11516540

    申请日:2006-09-06

    申请人: Thomas E. Allen

    发明人: Thomas E. Allen

    IPC分类号: G01N9/00

    CPC分类号: G01N9/00 G01N33/38

    摘要: A method for determining absolute density of a slurry that typically contains entrained air, such as cement slurry, in a continuous mixing operation such those used in cementing a gas or oil well. The method obtains density measurements of a slurry at two different pressures and then uses the two density measurements and the two pressure measurements to compute absolute density of the slurry employing the following formula at isothermal conditions: Dabs=D1/(1−((D1/D2−1)/(P1/P2−1))), where Dabs=absolute density, D1=first density, D2=second density, P1=absolute pressure at which the first density was measured, and P2=absolute pressure at which the second density was measured.

    摘要翻译: 用于确定在连续混合操作中通常含有夹带空气(例如水泥浆料)的浆料的绝对密度的方法,例如用于固井或油井的固定密度。 该方法在两个不同的压力下获得浆料的密度测量,然后使用两个密度测量和两个压力测量法在等温条件下使用以下公式计算浆料的绝对密度:Dabs = D1 /(1 - ((D1 / D2-1)/(P1 / P2-1))),其中Dabs =绝对密度,D1 =第一密度,D2 =第二密度,P1 =测量第一密度的绝对压力,P2 =绝对压力, 测量第二密度。

    Cement mixing system for oil well cementing
    4.
    发明授权
    Cement mixing system for oil well cementing 有权
    油井固井水泥搅拌系统

    公开(公告)号:US06749330B2

    公开(公告)日:2004-06-15

    申请号:US09999339

    申请日:2001-11-01

    申请人: Thomas E. Allen

    发明人: Thomas E. Allen

    IPC分类号: B01F504

    摘要: A powder mixing system and mixer for mixing cement used in cementing oil wells or other similar dry powder mixtures. The mixer is provided with a central recirculation jet and with annularly located alternating recirculation and mix water jets that discharge into the mixing chamber of the mixer in an overlapping fashion to effectively wet dry cement introduced into the mixing chamber. The mix water jets are formed from a set of slots provided both in a rotatable element and from another set of slots provided in a stationary portion so that when the rotatable element rotates, the size of mix water jets is adjusted. Two inlet elbows attach to the inlet of the central recirculation jet to cause the flow from the jet to rotate in a diverging pattern.

    摘要翻译: 粉末混合系统和混合器,用于混合用于固井油井或其他类似干粉混合物的水泥。 混合器设置有中央再循环喷射器,并且具有环形定位的交替再循环和混合水射流,其以重叠的方式排放到混合器的混合室中,以有效地将湿干燥的水泥引入混合室。 混合水射流由设置在可旋转元件中的一组槽和设置在固定部分中的另一组槽形成,使得当可旋转元件旋转时,调节混合水射流的尺寸。 两个入口弯头连接到中央再循环喷嘴的入口,以使来自射流的流以发散模式旋转。

    Apparatus and method for continuously mixing fluids
    6.
    发明授权
    Apparatus and method for continuously mixing fluids 失效
    用于连续混合流体的装置和方法

    公开(公告)号:US5382411A

    公开(公告)日:1995-01-17

    申请号:US1232

    申请日:1993-01-05

    申请人: Thomas E. Allen

    发明人: Thomas E. Allen

    摘要: Apparatus and method of hydrating a particulated polymer and producing a well treatment gel includes a mixer for spraying the polymer with water at a substantially constant water velocity and at a substantially constant water spray pattern at all flow rates of the water. A centrifugal diffuser is connected to the mixer for receiving the mixture, centrifugally diffusing the motive energy of the mixture, and hydrating the mixture into a gel. A centrifugal separator and constant velocity jet pump may be connected between the mixer and the centrifugal diffuser. A dilution valve is connected to the discharge of the centrifugal diffuser for mixing water with the gel at a substantially constant mixing energy at all flow rates of the gel and producing a diluted gel. A viscometer may be connected to the discharge of the dilution valve for measuring the viscosity of the diluted gel and regulating the flow of gel from the centrifugal diffuser to the dilution valve in order to control the viscosity of the diluted gel.

    摘要翻译: 水合微粒聚合物并生产良好处理凝胶的装置和方法包括用于在水的所有流速下以基本恒定的水速和基本恒定的水喷雾图案以水喷雾聚合物的混合器。 将离心扩散器连接到混合器以接收混合物,离心扩散混合物的动能,并将混合物水合成凝胶。 离心分离器和恒速喷射泵可以连接在混合器和离心扩散器之间。 稀释阀连接到离心扩散器的排出口,用于在凝胶的所有流速下以基本恒定的混合能量与凝胶混合水并产生稀释的凝胶。 粘度计可以连接到稀释阀的排出口,用于测量稀释凝胶的粘度并调节凝胶从离心扩散器到稀释阀的流动,以控制稀释凝胶的粘度。

    Straight through cement mixer
    7.
    发明授权
    Straight through cement mixer 有权
    直通水泥搅拌机

    公开(公告)号:US08215823B2

    公开(公告)日:2012-07-10

    申请号:US13210811

    申请日:2011-08-16

    申请人: Thomas E. Allen

    发明人: Thomas E. Allen

    IPC分类号: B01F15/02 B01F15/00

    摘要: A cement mixing method for mixing cement used in cementing oil wells casing and the mixer used in that method. The mixer employs a straight bulk cement inlet, five annular recirculation jets and five annular water jet orifices located downstream of the recirculation jets so that all of the jets discharge at an angle towards the mixing chamber and the discharge from the water jet orifices intersects with the flow from the recirculation jets. This five jet, intersecting flow design allows for more thorough wetting of the cement powder with a smaller, lighter, less expensive and more durable mixer that is less inclined to foul and easier to clean.

    摘要翻译: 用于混凝土的水泥混合方法用于固井油井套管和该方法中使用的混合器。 混合器采用直的散装水泥入口,五个环形再循环喷嘴和位于再循环喷嘴下游的五个环形水喷射孔,使得所有射流以一定角度朝向混合室排放,并且来自喷水孔的排放物与 从再循环射流流出。 这种五喷流相交的流动设计允许用更小,更轻,更便宜和更耐用的搅拌器对水泥粉末进行更彻底的润湿,这种混合器倾向于较少的污垢和易于清洁。

    VARIABLE DISPLACEMENT RECIPROCATING PUMP
    8.
    发明申请
    VARIABLE DISPLACEMENT RECIPROCATING PUMP 有权
    可变位移泵

    公开(公告)号:US20110023701A1

    公开(公告)日:2011-02-03

    申请号:US12902031

    申请日:2010-10-11

    申请人: Thomas E. Allen

    发明人: Thomas E. Allen

    IPC分类号: F04B1/07 F15B15/24 F04B49/12

    摘要: A variable displacement reciprocating pump with pumping rate that is adjustable from zero to maximum stroke while the pump is running. Stroke is varied by changing relative position of pairs of eccentric inner and outer cams that drive the pump's plungers. The pump's input drive shaft drives two gear trains: a first gear train that turns the inner cams and a second gear train that turns the outer cams. These cams normally revolve together with no relative motion occurring between them. A rotary actuator is positioned in the first gear train to rotate the inner cams relative to the outer cams and thereby changes the pump's stroke. A computerized system of sensors and control valves allows the pump to be automatically controlled or limited to any one or combination of desired output flow, pressure and horsepower.

    摘要翻译: 一种可变排量往复泵,其泵送速度在泵运行时可从零到最大行程调节。 通过改变驱动泵的柱塞的偏心内凸轮和外凸轮对的相对位置来改变行程。 泵的输入驱动轴驱动两个齿轮系:转动内凸轮的第一齿轮系和转动外凸轮的第二齿轮系。 这些凸轮通常在它们之间不发生相对运动而旋转在一起。 旋转致动器定位在第一齿轮系中以相对于外凸轮旋转内凸轮,从而改变泵的行程。 传感器和控制阀的计算机化系统允许泵自动控制或限制为任何一种或组合的所需输出流量,压力和马力。

    Gel mixing system
    9.
    发明授权
    Gel mixing system 有权
    凝胶混合系统

    公开(公告)号:US07581872B2

    公开(公告)日:2009-09-01

    申请号:US11364705

    申请日:2006-02-28

    申请人: Thomas E. Allen

    发明人: Thomas E. Allen

    IPC分类号: B01F15/02

    摘要: A gel mixing system that employs a dynamic diffuser for quickly removing the air from the fluid as the fluid exits a traditional gel mixer and employs progressive dilution of the gel in a series of hydration tanks to maximize hydration time without allowing the gel to become so viscous that it is not easily diluted or pumped. High shear agitation of the fluid between the hydration tanks helps to increase the hydration rate. Progressive dilution of the gel increases residence time of the gel in the tanks and results in longer hydration time in the limited tank space available, resulting in continuous production of gel that is almost fully hydrated when it is pumped to the fracturing blender and subsequently to the well bore without the need for an increase in the volume of the hydration tanks.

    摘要翻译: 凝胶混合系统采用动态漫射器,当流体离开传统的凝胶搅拌器时,快速从流体中除去空气,并且使用凝胶在一系列水化罐中逐渐稀释,以最大化水合时间,而不会使凝胶变得粘稠 它不容易稀释或泵送。 水合槽之间的流体的高剪切搅拌有助于提高水合速率。 凝胶的渐进稀释增加了凝胶在罐中的停留时间,并且在有限的罐空间中导致更长的水合时间,导致凝胶的连续生产,当它被泵送到压裂混合器中时几乎完全水合, 井眼,而不需要增加水化罐的体积。

    Method for determining absolute density of cement slurry
    10.
    发明申请
    Method for determining absolute density of cement slurry 有权
    确定水泥浆绝对密度的方法

    公开(公告)号:US20080053221A1

    公开(公告)日:2008-03-06

    申请号:US11698224

    申请日:2007-01-25

    申请人: Thomas E. Allen

    发明人: Thomas E. Allen

    IPC分类号: G01N9/00

    CPC分类号: G01N9/00 G01N33/38

    摘要: A method for determining absolute density of a slurry that typically contains entrained air, such as cement slurry, in a continuous mixing operation such those used in cementing a gas or oil well. The method obtains density measurements of a slurry at two different pressures and then uses the two density measurements and the two pressure measurements to compute absolute density of the slurry employing the following formula at isothermal conditions: Dabs=D1/(1−((D1/D2−1)/(P1/P2−1))), where Dabs=absolute density, D1=first density, D2=second density, P1=absolute pressure at which the first density was measured, and P2=absolute pressure at which the second density was measured.

    摘要翻译: 用于确定在连续混合操作中通常含有夹带空气(例如水泥浆料)的浆料的绝对密度的方法,例如用于固井或油井的固定密度。 该方法在两个不同的压力下获得浆料的密度测量值,然后使用两个密度测量值和两个压力测量结果,在等温条件下使用下列公式计算浆料的绝对密度:Dabs = D 1 /(1 - ((D 1 / D 2-1)/(P 1 / P 2-1))),其中D abs =绝对密度,D 1 =第一密度,D 2 =第二密度,P 1 =测量第一密度的绝对压力 ,P 2 =测定第二密度的绝对压力。