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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8146659 | Method of modelling enhanced recovery by polymer injection The present invention relates to an optimized method for modelling flows in a geological hydrocarbon reservoir, comprising injecting an aqueous polymer solution to sweep the hydrocarbons, determining a relationship between a parameter linked with the mobility reduct... | 04/03/2012 |
| 7324929 | Method and system for simulating a hydrocarbon-bearing formation The invention is a method for simulating one or more characteristics of a multi-component, hydrocarbon-bearing formation into which a displacement fluid having at least one component is injected to displace formation hydrocarbons. The first step of the method is to ... | 01/29/2008 |
| 7283941 | Computer system and method for modeling fluid depletion A method for modeling fluid depletion in a reservoir is disclosed. A map is divided into cells. For each of the cells a value is stored that is based at least in part on a physical characteristic of the cell. At least one cell that contains a depletion location is i... | 10/16/2007 |
| 7261159 | Perforating method A method for perforating a wellbore comprises placing a perforating device in a cased wellbore that passes through a subterranean formation. The perforating device comprises at least one explosive perforating charge that can be detonated in order to perforate the ca... | 08/28/2007 |
| 7216712 | Treatment of oil wells Hydrocarbon solids are removed from an oil well by feeding into the oil well a composition comprising at least 40 vol. % dense phase carbon dioxide and at least 30 vol. % of a C1–C3 alkanol component and optionally one or more surfactants, un... | 05/15/2007 |
| 7006959 | Method and system for simulating a hydrocarbon-bearing formation The invention is a method for simulating one or more characteristics of a multi-component, hydrocarbon-bearing formation into which a displacement fluid having at least one component is injected to displace formation hydrocarbons. The first step of the method is to ... | 02/28/2006 |
| 6904366 | Waterflood control system for maximizing total oil recovery A control system and method for determining optimal fluid injection pressure is based upon a model of a growing hydrofracture due to waterflood injection pressure. This model is used to develop a control system optimizing the injection pressure by using a prescribed... | 06/07/2005 |
| 6321595 | Characterization of organic contaminants and assessment of remediation performance in subsurface formations Characterization of organic contaminants in subsurface formation is performed by methods for detecting the presence of nonaqueous phase liquid in a subsurface formation, and for determining the composition and for determining the volume of nonaqueous phas... | 11/27/2001 |
| 5881811 | Modeling of interactions between wells based on produced watercut The invention is a method for modeling the effects of interactions between wells on the watercuts in effluents produced by one or more wells through a zone of an underground hydrocarbon reservoir under development, swept by a fluid under pressure injected... | 03/16/1999 |
| 5860475 | Mixed well steam drive drainage process A thermal oil recovery process is disclosed for use in a heavy oil reservoir having a plurality of laterally separated, generally vertical wells whose use have left the reservoir characterized by a heated depletion zone, a channel, voidage, or mobility an... | 01/19/1999 |
| 5829520 | Method and apparatus for testing, completion and/or maintaining wellbores using a sensor device The present invention is an improved method and apparatus for testing and monitoring wellbore operations. The invention is (1) a data acquisition device capable of monitoring, recording wellbore and/or reservoir characteristics while capable of fluid flow... | 11/03/1998 |
| 5711373 | Method for recovering a hydrocarbon liquid from a subterranean formation The invention disclosed herein is a method for producing oil from a reservoir after predetermining its residual oil saturation, Sorm. Such a method would displace a hydrocarbon fluid in a subterranean formation using a substantially non-aqueous... | 01/27/1998 |
| 5256572 | Method for determining residual oil saturation of a watered-out reservoir A method for determining residual oil saturation of a watered-out reservoir using two water soluble tracers having different partition coefficients in oil. The partitioning tracers are selected from the group consisting of tritiated or carbon 14 tagged al... | 10/26/1993 |
| 4782899 | Measuring oil saturation with gaseous oil tracers The oil saturation within a subterranean reservoir is determined by injecting water containing dissolved reactants which are substantially oil-insoluble and which convert the injected solution into a tracer-containing solution in which there is at least o... | 11/08/1988 |
| 4782898 | Determining residual oil saturation using carbon 14 labeled carbon dioxide Residual oil saturation is determined by injecting an aqueous solution containing a carbonate salt, an acid-generating material and a radioactive material which are each selectively water soluble, displacing the solution with an aqueous solution devoid of... | 11/08/1988 |
| 4700140 | Determination of water or residual oil saturation in earth formations independent of lithology A method for determining the water or residual oil saturation of subsurface earth formations substantially independent of lithology utilizing electromagnetic energy propagation measurements. The subsurface formations are first logged to obtain base log me... | 10/13/1987 |
| 4617517 | Determination of water saturation in earth formations independent of lithology A method for determining the water saturation of subsurface earth formations substantially independent of lithology utilizing electromagnetic energy propagation measurements. The subsurface formations are first logged to obtain base log measurements of th... | 10/14/1986 |
| 4278128 | Petroleum recovery chemical retention prediction technique The amount of a petroleum recovery chemical retained within a subterranean reservoir is predicted by first gathering data from at least one injection-soak-production cycle in a core wherein the produced fluids are monitored for both the chemical concentra... | 07/14/1981 |
| 4274487 | Indirect thermal stimulation of production wells A well which is to produce from a heavy oil or tar sands reservoir is thermally stimulated from another well located on the order of 10 to 50 feet away. This adjacent thermal stimulation well can be considered expendable. This thermal stimulation is conti... | 06/23/1981 |
| 4265309 | Evaluation and production of attic oil In a dipping underground petroleum reservoir devoid of a natural gas cap, a mixture of gases soluble in petroleum is injected into a well positioned in an up dip location. Gases in the mixture are selected for their diverse solubility and diffusion charac... | 05/05/1981 |
| 4168746 | Single well surfactant test to evaluate surfactant floods using multi tracer method Data useful for evaluating the effectiveness of or designing an enhanced recovery process said process involving mobilizing and moving hydrocarbons through a hydrocarbon bearing subterranean formation from an injection well to a production well by injecti... | 09/25/1979 |
| 4155403 | Process for locating residual or dormant hydrocarbons in petroleum reservoirs A subsurface earth formation or petroleum reservoir, either previously or presently producing petroleum hydrocarbons, such as oil and natural gas, is analyzed. From production data, the actual fluid flux of the hydrocarbons to each well penetrating the fo... | 05/22/1979 |
| 4102396 | Determining residual oil saturation following flooding A method for determining the fluid saturation, for example the hydrocarbon saturation, the residual oil saturation or water saturation, of a reservoir following a secondary recovery operation wherein there is injected into the reservoir via a well first h... | 07/25/1978 |
| 4099565 | Single well tracer method to evaluate enhanced recovery Data useful to evaluate the effectiveness of or to design an enhanced recovery process (the recovery process involving mobilizing and moving hydrocarbons through a hydrocarbon-bearing subterranean formation from an injection well to a production well by i... | 07/11/1978 |
| 4068715 | Method for recovering viscous petroleum Disclosed is a method for recovering viscous oil from subterranean, viscous oil containing formations, particularly from shallow formations which overlie water zones. The production well is completed in the entire oil zone and small amount in the water zo... | 01/17/1978 |
| 4022276 | Method of selecting oil recovery fluids using nuclear magnetic resonance measurements Fluids are injected into porous strata for many purposes. These include, for example, well stimulation, secondary-type oil recovery, mobility control, regulation of formation "wetness" and regulation of the encroachment of fluids. Fluids used for the abov... | 05/10/1977 |
| 3997004 | Method for recovering viscous petroleum Disclosed is a method for recovering viscous oil from subterranean, viscous oil containing formations, particularly from shallow formations which overlie water zones. An injection well is completed in the lower part of the oil formation and an equivalent ... | 12/14/1976 |
| 3990298 | Method of determining the relation between fractional flow and saturation of oil Disclosed herein is a method for determining the fractional flow and corresponding fluid saturation of fluid phases in a subterranean oil-bearing formation containing more than one mobile fluid phase. A carrier fluid containing a plurality of precursors i... | 11/09/1976 |
