METODO Y DISPOSITIVO PARA DESENVOLVER UNA PELICULA DE BAJO RUIDO

    公开(公告)号:CO4520313A1

    公开(公告)日:1997-10-15

    申请号:CO96025398

    申请日:1996-05-17

    Abstract: Un método para desarrollar películas autoadhesivas a nivelesde ruido de desenrollamiento reducidos que comprende: (a)suministrar un rollo de alimentación de película autoadhesiva;(b) suministrar un aparato de desenrollamiento que tiene medios para enganchar de manera removible el rollo de alimentación y medios pala mantener un ángulo de salida de desenrollamiento suficientemente alto para impedir la generación de ruido excesivo durante el desenrolle y suministro o desenvolvimiento del rollo de alimentación;(c) enganchar el rollo de alimentación;(d) operar el aparato de desenrollamiento a un ángulo de salida de desenrollamiento suficientemente alto; y(e) desenrollar y suministrar o desenvolver la película.1Un dispositivo para desenrollar películas autoadhesivas a niveles de ruido de desenvolvimiento reducidos que comprende.(a) un aparato de desenvolvimiento que tiene medios para enganchar de manera removible un rollo de alimentación de película autoadhesiva, y,(b) medios que cooperan con el rollo de alimentación para mantener un ángulo de salida de desenvolvimientos suficientemente alto para impedir la generación de ruido excesivo durante el desenvolvimiento y suministro o desenrollamiento del rollo de alimentación.

    GAS FLOODING PROCESSING FOR THE RECOVERY OF OIL FROM SUBTERRANEAN FORMATIONS

    公开(公告)号:CA1301636C

    公开(公告)日:1992-05-26

    申请号:CA601370

    申请日:1989-05-31

    Abstract: This invention relates to a gas flooding or miscible gas flooding operation under non-steamflood conditions. The sweep efficiency of the gas is improved by using a mixture of an alkylated diphenyl sulfonate and an alpha-olefin sulfonate as the surfactants in a mobility control fluid or diverter. The recovery method comprises injection sequentially or simultaneously through an injection well (1) a drive fluid of a gas or a gas/aqueous fluid to thin or solubilize and carry the hydrocarbons from the formation to a producing well and (2) a mobility control fluid of a surfactant/water mixture, wherein the surfactant component of the mobility control fluid is a mixture of one or more alkylated diphenyl sulfonates and one or more alphaolefin sulfonates into the subterranean formation.

    Low-noise film unwrapping and device.

    公开(公告)号:ZA963949B

    公开(公告)日:1997-11-17

    申请号:ZA963949

    申请日:1996-05-17

    Abstract: A method and device for unwrapping self-adhering films at reduced noise levels are disclosed. The method and device include means to maintain a sufficiently high unwrapping take-off angle during the unwrapping and dispensing or unwinding of film rollstock. Suitable means provide for substantial acceleration and adjustment of the rollstock rotational speed relative to the speed of the first power driven member of an unwrapping apparatus, or the use of one or more carefully positioned deflector members. The method and device is particularly useful in unwrapping and dispensing operations of high cling stretch wrap films involving the use of turntable-style power driven equipment as well as in unwrapping and unwinding operations of pressure-sensitive adhesive tapes.

Patent Agency Ranking