Corrugated settling cup and a multi-cup uniform flux gas anchor
    1.
    发明授权
    Corrugated settling cup and a multi-cup uniform flux gas anchor 有权
    波纹沉降杯和多杯均匀通量气锚

    公开(公告)号:US08453726B2

    公开(公告)日:2013-06-04

    申请号:US12673064

    申请日:2008-08-22

    IPC分类号: E21B43/38

    摘要: A corrugated settling cup (5) is provided, wherein the cup has a cup body, an opening and a location step (52) are provided at the bottom (55) of the cup body, several location holes (53) are formed at the top of the location step (52), location projections (54) corresponding to the location holes (53) are formed at the bottom (55) of the corrugated settling cup (5), wherein the external profile of the corrugated settling cup body rises along the axial direction in a corrugated shape. A multi-cup uniform flux gas anchor is provided, wherein the gas anchor includes a central pipe (7), several corrugated settling cups (5), several settling cups protection bodies (6) and a well-flushing valve (9), wherein the external profile of the corrugated settling cup body rises along the axial direction in a corrugated shape.

    摘要翻译: 提供了一种波纹沉降杯(5),其中杯体具有杯体,在杯体的底部(55)设有开口和位置台阶(52),多个位置孔(53)形成在 在波纹沉降杯(5)的底部(55)形成位置台阶(52)的顶部,对应于定位孔(53)的定位突起(54),其中波纹沉降杯体的外部轮廓上升 沿轴向以波纹形状。 提供了一种多杯均匀的通量气体锚定器,其中气锚包括中心管(7),多个波纹沉降杯(5),多个沉降杯保护体(6)和井冲洗阀(9),其中 波纹沉降杯体的外部轮廓沿轴向方向以波纹形状上升。

    CORRUGATED SETTLING CUP AND A MULTI-CUP UNIFORM FLUX GAS ANCHOR
    2.
    发明申请
    CORRUGATED SETTLING CUP AND A MULTI-CUP UNIFORM FLUX GAS ANCHOR 有权
    腐蚀性沉降杯和多缸UNIFORM FLUX气体锚固器

    公开(公告)号:US20110209866A1

    公开(公告)日:2011-09-01

    申请号:US12673064

    申请日:2008-08-22

    IPC分类号: B01D19/02 E21B43/38

    摘要: The present invention discloses a corrugated settling cup and a multi-cup uniform flux gas anchor, which belong to oilfield gas-liquid separation devices. The external profile of the cup body of the corrugated settling cup rises in a corrugated shape along an axial direction of the corrugated settling cup, which facilitates rapid aggregation and rise of gas. The multi-cup uniform flux gas anchor is comprised of a plurality of the corrugated settling cups, and further includes a central pipe, a plurality of settling cup protectors and a well-flushing valve, wherein the plurality of settling cup protectors are slipped onto the central pipe in clearance fit and the plurality of the corrugated settling cups are slipped onto the central pipe in clearance fit between every two settling cup protectors, a plurality of liquid inlet holes are located evenly on the central pipe at a position close to an inner bottom of each corrugated settling cup, and a lower portion of the central pipe is connected to the well-flushing valve. With the plurality of the corrugated settling cups, the gas anchor divides a gas-liquid mixture into a number of portions, and the external profile rising in a corrugated shape allows the separated gas to rapidly aggregate and rise up, thereby achieving the object of performing effective gas-liquid separation, increasing pump efficiency and oil production, saving energy and reducing consumption.

    摘要翻译: 本发明公开了一种波纹沉降杯和多杯均质助焊剂气锚,属于油田气 - 液分离装置。 波纹沉降杯的杯体的外部轮廓沿波纹沉降杯的轴向上升成波形,这有利于气体的快速聚集和升高。 多杯均匀通量气锚由多个波纹沉降杯组成,还包括中心管,多个沉降杯保护器和一个井冲洗阀,其中多个沉降杯保护器滑入 间隙配合的中心管和多个波纹沉降杯在每两个沉淀杯保护器间隙配合的情况下滑动到中心管上,多个液体入口孔均匀地位于中心管上靠近内底的位置 的每个波纹沉降杯,并且中心管的下部连接到井冲洗阀。 利用多个波纹沉降杯,气锚将气液混合物分成多个部分,并且以波纹形状上升的外形允许分离的气体快速聚集并升起,从而实现执行的目的 有效的气液分离,提高泵效率和产油量,节约能源,减少消耗。

    Learning filters for enhancing the quality of block coded still and video images
    3.
    发明授权
    Learning filters for enhancing the quality of block coded still and video images 失效
    学习过滤器,用于提高块编码静止图像和视频图像的质量

    公开(公告)号:US08204128B2

    公开(公告)日:2012-06-19

    申请号:US12184671

    申请日:2008-08-01

    IPC分类号: H04N7/12

    摘要: The invention relates to a method and an apparatus for reducing blocking artifacts in block-wise coding of still and video images. A learning filter generator is provided at the image encoder for generating a set of filters and associated filtering rules for filtering cross-boundary image patterns based on representative original and decoded training images using a supervised machine learning algorithm. An adaptive filter at the image decoder receives the generated filters and associated filtering rules and performs locally adaptive filtering in accordance with the received filtering rules.

    摘要翻译: 本发明涉及一种用于减少静止图像和视频图像的块状编码中的块伪影的方法和装置。 在图像编码器上设置学习滤波器发生器,用于使用监督机器学习算法基于代表性的原始和解码的训练图像来生成一组滤波器和相关联的滤波规则,用于过滤跨边界图像模式。 图像解码器处的自适应滤波器接收生成的滤波器和相关联的滤波规则,并根据接收到的滤波规则执行本地自适应滤波。

    Image Interpolation for motion/disparity compensation
    4.
    发明申请
    Image Interpolation for motion/disparity compensation 失效
    图像插值用于运动/视差补偿

    公开(公告)号:US20110069237A1

    公开(公告)日:2011-03-24

    申请号:US12923476

    申请日:2010-09-23

    IPC分类号: H04N5/14

    摘要: Methods of image interpolation disclosed herein include a method of irregular-grid expanded-block weighted motion compensation (IEWMC) and a method of block-wise directional hole interpolation (BDHI). The IEWMC can be used with unidirectional motion or disparity trajectories. The IEWMC can be applied in both forward and backward directions, and the interpolated images resulting from IEWMC application can be superimposed, or averaged, to reduce the blocking artifacts and handle the holes and overlaps. The BDHI takes into account the orientation of local edges and textures when filling the holes, which results in a sharper interpolated image.

    摘要翻译: 本文公开的图像插值方法包括不规则网格扩展块加权运动补偿(IEWMC)的方法和块定向孔插入(BDHI)的方法。 IEWMC可以用于单向运动或视差轨迹。 IEWMC可以在向前和向后两个方向上应用,并且由IEWMC应用产生的内插图像可以叠加或平均,以减少块伪影并处理孔和重叠。 BDHI在填充孔时考虑到局部边缘和纹理的方向,这导致更清晰的内插图像。

    IMAGE AND VIDEO ENCODING AND DECODING
    5.
    发明申请
    IMAGE AND VIDEO ENCODING AND DECODING 审中-公开
    图像和视频编码和解码

    公开(公告)号:US20120294365A1

    公开(公告)日:2012-11-22

    申请号:US13435148

    申请日:2012-03-30

    IPC分类号: H04N7/34 G06K9/36 H04N7/26

    摘要: A method and system for image and video encoding and decoding is disclosed. A plurality of macro-blocks of pixels are defined in the image to be encoded, for subsequent block-by-block encoding and decoding. A node-cell structure of pixels is individually defined for each macro-block. The node pixels are encoded first. Then, the cell pixels are encoded using the decoded node pixels as a reference. This allows increasing macro-block size without a significant degradation of pixel encoding quality.

    摘要翻译: 公开了一种用于图像和视频编码和解码的方法和系统。 在要编码的图像中定义多个像素的宏块,用于随后的逐块编码和解码。 每个宏块分别定义像素的节点单元结构。 首先对节点像素进行编码。 然后,使用解码的节点像素作为参考来对单元像素进行编码。 这允许增加宏块大小而不会显着降低像素编码质量。

    Learning Filters For Enhancing The Quality Of Block Coded Still And Video Images
    6.
    发明申请
    Learning Filters For Enhancing The Quality Of Block Coded Still And Video Images 失效
    学习过滤器用于提高块编码静态图像和视频图像的质量

    公开(公告)号:US20090034622A1

    公开(公告)日:2009-02-05

    申请号:US12184671

    申请日:2008-08-01

    IPC分类号: H04N7/32 H04N7/26

    摘要: The invention relates to a method and an apparatus for reducing blocking artifacts in block-wise coding of still and video images. A learning filter generator is provided at the image encoder for generating a set of filters and associated filtering rules for filtering cross-boundary image patterns based on representative original and decoded training images using a supervised machine learning algorithm. An adaptive filter at the image decoder receives the generated filters and associated filtering rules and performs locally adaptive filtering in accordance with the received filtering rules.

    摘要翻译: 本发明涉及一种用于减少静止图像和视频图像的块状编码中的块伪影的方法和装置。 在图像编码器上设置学习滤波器发生器,用于使用监督机器学习算法基于代表性的原始和解码的训练图像来生成一组滤波器和相关联的滤波规则,用于过滤跨边界图像模式。 图像解码器处的自适应滤波器接收生成的滤波器和相关联的滤波规则,并根据接收到的滤波规则执行本地自适应滤波。

    Curved wavelet transform for image and video compression
    7.
    发明申请
    Curved wavelet transform for image and video compression 失效
    用于图像和视频压缩的弯曲小波变换

    公开(公告)号:US20050196060A1

    公开(公告)日:2005-09-08

    申请号:US11068160

    申请日:2005-03-01

    IPC分类号: G06K9/36 H04N7/26

    摘要: A curved wavelet transform and a related image/video compression system are disclosed. The curved wavelet transform (CWT) is carried out by applying one-dimensional (1-D) wavelet filters along curves, rather than along only horizontal and vertical directions. The image/video compression system includes a curve determination unit, a curved wavelet transform unit, a wavelet coefficient quantization unit, a wavelet coefficient coding unit, and a curve coding unit. The quantization and coding of the wavelet coefficients are related to the curves. In one embodiment, recursive wavelet filters are used for inverse wavelet decomposition. The system provides higher compression capability than conventional wavelet-based image compression systems.

    摘要翻译: 公开了一种弯曲小波变换和相关图像/视频压缩系统。 曲线小波变换(CWT)通过沿着曲线应用一维(1-D)小波滤波器而不是沿着水平和垂直方向进行。 图像/视频压缩系统包括曲线确定单元,弯曲小波变换单元,小波系数量化单元,小波系数编码单元和曲线编码单元。 小波系数的量化和编码与曲线相关。 在一个实施例中,递归小波滤波器用于逆小波分解。 该系统比传统的基于小波的图像压缩系统提供更高的压缩能力。

    Foam drive method
    10.
    发明授权
    Foam drive method 有权
    泡沫驱动方式

    公开(公告)号:US06439308B1

    公开(公告)日:2002-08-27

    申请号:US09647854

    申请日:2000-12-05

    申请人: Demin Wang

    发明人: Demin Wang

    IPC分类号: E21B4322

    CPC分类号: C09K8/94 C09K8/58

    摘要: A foam drive method for enhancing oil recovery efficiently is initiated by injecting into a subterranean oil-bearing formation, an aqueous polymer solution as a preceding-slug. This is followed by periodically injecting simultaneously or alternately a non-condensible gas and an aqueous solution of foaming composition to form a combined foam under ground or periodically injecting the combined foam formed beforehand by the gas and said aqueous solution above ground. The aqueous solution of foaming composition comprises an alkali, a surfactant and a polymer. Thereafter, an aqueous polymer solution used as a protecting-slug is injected into the formation; followed by continuing water-flooding.

    摘要翻译: 通过将含水聚合物溶液注入地下含油地层中作为前述塞子,开始有效地提高采油的泡沫驱动方法。 然后,同时或交替地周期性地注入不可冷凝的气体和发泡组合物的水溶液,以在地下形成组合的泡沫,或者周期性地注入由气体和地面上的所述水溶液预先形成的组合泡沫。 发泡组合物的水溶液包含碱,表面活性剂和聚合物。 此后,将用作保护块的聚合物水溶液注入地层中; 其次是持续的淹水。