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公开(公告)号：US5402846A
公开(公告)日：1995-04-04
申请号：US151662
申请日：1993-11-15
IPC分类号： C09K8/70 , E21B33/13 , E21B43/02 , E21B43/267 , E21B43/247
CPC分类号： E21B43/025 , C09K8/703 , E21B33/13 , E21B43/267
摘要： An improved method for hydraulically fracturing a formation or reservoir where a thermo-setting gellable mixture is utilized. This thermo-setting mixture is foamed either at the surface or in situ under fracturing pressures and conditions. The mixture and carrier fluid is of a composition such that the foamed mixture has a viscosity of sufficient magnitude to cause a created fracture to grow while the foamed mixture is kept under fracturing pressure and conditions. Once a fracture of a desired size and length has been generated, the resin is ignited and thermally set thus forming a porous hardened solid within the fracture thereby holding the fracture open. Once combustion is finished, no spent fracturing fluids or load fluids remain to be recovered. This porous solid props the fracture open thereby increasing the conductivity of the formation or reservoir and fluid flow therefrom.
摘要翻译： 一种用于水泥压裂地层或储层的改进方法，其中使用热固化可凝胶混合物。 这种热固性混合物在压裂压力和条件下在表面或原位发泡。 混合物和载体流体的组成使得发泡混合物具有足够大的粘度，从而在发泡混合物保持在压裂压力和条件下使所产生的断裂生长。 一旦已经产生所需尺寸和长度的断裂，则树脂被点燃和热定形，从而在裂缝内形成多孔硬化固体，从而保持断裂。 一旦燃烧完成，没有剩余的压裂流体或负载流体仍然被回收。 这种多孔固体支撑断裂，从而增加地层或储层的导电性以及流体的流动。
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12.发明授权Apparatus and method for retrieving and evaluating a slim hole drilled core sample of a subsurface formation 失效用于检索和评估地下地层的细孔钻芯样品的装置和方法
公开(公告)号：US5206505A
公开(公告)日：1993-04-27
申请号：US824928
申请日：1992-01-23
申请人： Eve S. Sprunt
发明人： Eve S. Sprunt
CPC分类号： E21B25/005 , E21B25/00 , G01V5/12
摘要： A coring tool is lowered to the bottom of a wellbore through a subsurface formation. A coring bit at the lower end of the coring tool draws a core sample of the subsurface formation at the bottom of the wellbore into the coring tool. A coring barrel is positioned along the coring tool above and in juxtaposition with the coring bit. The core sample is drawn into a hollow cylindrical split member within the coring barrel, such member being split into two halves in an axial direction and comprised of a material effectively transparent to nuclear radiation. A wireline raises the split member containing the core sample upward through the coring tool to the surface of the earth. The core sample is tested for a nuclear radiation characteristic through the nuclear radiation transparent material of the split member at the well site. The split member is then reused to obtain a plurality of cores from the subsurface formation.
摘要翻译： 取芯工具通过地下地层下降到井眼的底部。 取心工具下端的取芯钻头将井眼底部的地下岩层的核心样品拉入取芯工具。 取芯筒沿着取芯工具定位，并与取芯钻头并置。 核心样品被拉入取芯筒内的中空圆柱形分体构件，该构件沿轴向方向分成两半，并由对核辐射有效透明的材料组成。 电缆将包含芯样品的分离构件通过取芯工具向上提升到地球表面。 核心样品通过井分离构件的核辐射透明材料测试核辐射特性。 然后分裂构件被重新使用以从地下构造获得多个芯。
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13.发明授权Method for measuring electrical resistivity of a core sample of porous rock during water drainage and imbibition 失效在排水和吸水过程中测量多孔岩石芯样品的电阻率的方法
公开(公告)号：US5164672A
公开(公告)日：1992-11-17
申请号：US837383
申请日：1992-02-19
申请人： Ron E. Gilliland , Eve S. Sprunt
发明人： Ron E. Gilliland , Eve S. Sprunt
IPC分类号： G01N33/24
CPC分类号： G01N33/241
摘要： A two-phase fluid, flow having a first fluid and an immiscible second fluid, is passed through a core sample. The core sample is scanned with X-rays to produce a display of fluid distribution within the core sample. Electrical resistivity is measured along the length of the core sample for those intervals having uniform first fluid distribution. The two-phase flow is continued to repetitively decrease the first fluid saturation in a plurality of drainage cycles with electrical resistivity being again measured for each drainage cycle. Thereafter, the two-phase fluid flow is continued to repetitively increase the first fluid saturation in a plurality of imbibition cycles with electrical resistivity being again measured for each imbibition cycle.
摘要翻译： 具有第一流体和不混溶的第二流体的两相流体流通过芯样品。 核心样品用X射线扫描，以产生核心样品内液体分布的显示。 对于具有均匀的第一流体分布的那些间隔，沿核心样品的长度测量电阻率。 两相流继续在多个排水循环中重复地降低第一流体饱和度，其中每个排水循环再次测量电阻率。 此后，两相流体流继续在多次吸入循环中重复地增加第一流体饱和度，其中每个吸入循环再次测量电阻率。
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14.发明授权Method and system for testing the dynamic interaction of coring fluid with earth material 失效取芯液与土料的动态相互作用的方法和系统
公开(公告)号：US4982604A
公开(公告)日：1991-01-08
申请号：US439293
申请日：1989-11-20
IPC分类号： G01N33/24
CPC分类号： G01N33/241
摘要： A material sample representative of a subsurface formation is tested for its dynamic interaction with a coring fluid. The material sample is subjected to a pressurized and agitating coring fluid to simulate a coring operation. Thereafter the material sample is x-ray scanned to identify the extent of coring fluid invasion during the dynamic interaction of the material sample and the coring fluid.
摘要翻译： 测试代表地下地层的材料样品与其与取芯液体的动态相互作用。 对材料样品进行加压和搅拌的取芯流体，以模拟取芯操作。 此后，材料样品被X射线扫描，以识别在材料样品和取芯液体的动态相互作用过程中取芯流体侵入的程度。
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公开(公告)号：US5360068A
公开(公告)日：1994-11-01
申请号：US47983
申请日：1993-04-19
IPC分类号： E21B43/247 , E21B43/26 , E21B43/267 , E21B43/24
CPC分类号： E21B43/267 , E21B43/247 , E21B43/26
摘要： An oxygenated foam is injected into a hydrocarbon-bearing reservoir within a diatomite-containing subsurface formation to hydraulically form a fracture within the reservoir. Combustion is initiated between the oxygenated foam and hydrocarbons within the reservoir to burn the formation and alter diatomite within the burned area into a hardened, more highly permeable material. The reservoir may again be fractured to shatter the hardened diatomite to further increase reservoir permeability and form a self-propped fracture within the reservoir.
摘要翻译： 将含氧泡沫注入含硅藻土的地下地层内的含烃储层中以在储层内液压形成裂缝。 氧化泡沫和储层内的烃之间开始燃烧以燃烧形成并将烧焦区域内的硅藻土改变成硬化，更高度可渗透的材料。 储层可能再次断裂以粉碎硬化的硅藻土，以进一步提高储层渗透性并在储层内形成自支撑断裂。
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16.发明授权Method for measuring electrical anisotrophy of a core sample from a subterranean formation 失效用于测量来自地层的岩心样品的各向异性的方法
公开(公告)号：US4924187A
公开(公告)日：1990-05-08
申请号：US364281
申请日：1989-06-12
CPC分类号： G01N33/241 , G01N27/041
摘要： A core sample from a subterranean formation is shaped to provide a plurality of parallel, planar outer surfaces. Electrical resistivity is measured in each of the azimuthal directions through the core sample which are perpendicular to each of the pairs of parallel, planar outer surfaces for each of a plurality of differing fluid saturations within the core sample. A logarithmic plot is made of measured resistivity versus water saturation for each of the azimuthal directions through the core sample for which resistivity was measured. If the same logarithmic plot is obtained for all measured azimuthal directions, the core sample is identified as being electrically isotropic. If different logarithmic plots are obtained for at least 2 azimuthal directions the core sample is identified as being electrically anisotropic.
摘要翻译： 来自地层的核心样品被成形为提供多个平行的平坦的外表面。 在通过核心样品的每个方位角方向上测量电阻率，该核心样品垂直于核心样品中的多个不同流体饱和度中的每一个平行的平面外表面中的每一对。 对于通过测量电阻率的芯样品的每个方位角方向，测量的电阻率对水饱和度的对数图。 如果对于所有测量的方位角方向获得相同的对数图，则核心样品被识别为电学各向同性的。 如果对于至少2个方位角方向获得不同的对数图，则核心样本被识别为电各向异性。
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公开(公告)号：US4864864A
公开(公告)日：1989-09-12
申请号：US238680
申请日：1988-08-30
CPC分类号： G01B11/16 , G01B11/105
摘要： A sample of material is rotated within a pair of parallel, spaced-apart laser beams. Variations in the diameter of the sample are determined with azimuth from the amounts of the laser beams intercepted by the sample as it rotates about an axis perpendicular to the plane of the laser beams. The sample is translated along this axis within the path of the laser beams so that the diameter of the sample is determined for a plurality of spaced-apart planes through the sample perpendicular to the axis of rotation. The deformation of the material with stress is determined by measuring the variations in diameter of the sample as the stress on the sample is changed.
摘要翻译： 材料样品在一对平行的间隔开的激光束内旋转。 样品直径的变化由样品在垂直于激光束平面的轴线旋转时被截取的激光束的数量的方位角确定。 样品沿着该轴线在激光束的路径内平移，使得通过垂直于旋转轴线的样品的多个间隔平面来确定样品的直径。 材料随应力的变形是通过测量样品直径的变化来确定的，因为样品上的应力发生变化。
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公开(公告)号：US4799382A
公开(公告)日：1989-01-24
申请号：US55980
申请日：1987-06-01
申请人： Eve S. Sprunt , David P. Yale
发明人： Eve S. Sprunt , David P. Yale
CPC分类号： G01N15/088 , G01N23/046 , G01N2223/419
摘要： Measurements of reservoir characteristics of a core sample of a subsurface formation are carried out with the core sample being subjected to pressure cycling. Pore volume changes during such pressure cycling are measured. Pore compressibility is determined from a plot of the measured pore volume change versus pressure. Scanning of the core sample with X-rays each pressure cycle identifies the pressure at which fracturing is initiated.
摘要翻译： 核心样品进行压力循环时，对地下岩层样品的油藏特征进行测量。 测量这种压力循环期间的孔体积变化。 孔隙压缩性由测量的孔体积变化对压力的图确定。 用X射线扫描核心样品，每个压力循环识别压裂开始的压力。
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公开(公告)号：US4785882A
公开(公告)日：1988-11-22
申请号：US66803
申请日：1987-06-24
申请人： Eve S. Sprunt
发明人： Eve S. Sprunt
摘要： Hydrocarbons are produced from a subterranean reservoir by maintaining the effective reservoir pressure below the reservoir crushing pressure during a first production period, causing the effective reservoir pressure to exceed the reservoir crushing pressure after such first production period so as to crush the reservoir and reduce the reservoir permeability, and then producing hydrocarbons from the reservoir during a second production period in which hydrocarbon production is enhanced due to better sweep efficiency as a result of the lowered permeability of the reservoir.
摘要翻译： 碳氢化合物通过在第一生产周期内将有效储层压力维持在储层破碎压力以下而产生，导致有效储层压力在这样的第一生产周期之后超过储层破碎压力，从而粉碎储层并减少储层 渗透性，然后在由于储层的渗透性降低导致的更好的扫掠效率的第二生产期间从储层中产生烃。
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公开(公告)号：US5363917A
公开(公告)日：1994-11-15
申请号：US47986
申请日：1993-04-19
IPC分类号： E21B43/02 , E21B43/243 , E21B33/13
CPC分类号： E21B43/025 , E21B43/243
摘要： An oxygenated foam is injected into a loosely consolidated, clay-containing sandstone formation surrounding a well penetrating a hydrocarbon-bearing reservoir. Combustion is initiated between the oxygenated foam and hydrocarbons within the reservoir to burn the formation and form said consolidated zone around the well that acts as a barrier to the passage of sand into the well along with produced hydrocarbons.
摘要翻译： 将含氧泡沫注入围绕穿透含烃储层的井的松散固结的含粘土的砂岩地层中。 在氧化泡沫和储层内的碳氢化合物之间开始燃烧以燃烧地层并在井周围形成所述固结区，其作为阻挡砂子与产生的烃一起进入井中。
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