Abstract: A new wellbore apparatus has been invented which, in certain aspects, has anchor apparatus for anchoring the wellbore apparatus in a bore, the anchor apparatus actuated by fluid under pressure supplied thereto, and sealing apparatus selectively inflatable to close off the bore to fluid flow therethrough, and temperature compensating apparatus for maintaining a desired fluid pressure in the sealing apparatus to prevent it from bursting or deflating.

Abstract: New wellbore milling systems and methods of their use have been developed, the milling system in one aspect including at least one mill, at least one stabilizing member connected to and above the at least one mill, and the at least one stabilizing member for maintaining position of the at least one mill for milling through the liner into the main wellbore. In certain aspects multiple spaced-apart stabilizers are used above a mill which, in one aspect, may include one or more reaming stabilizers. In one aspect the lowermost stabilizer is spaced-apart from a mill so that the stabilizer does not enter a bend portion of a liner to be milled until milling has commenced.

Abstract: A wash nozzle for wellbore washing operations has been invented, the wash nozzle, in one aspect having a central mandrel with a top, a bottom, and a fluid flow bore therethrough from top to bottom, at least one mandrel port through the central mandrel for fluid flow from within the central mandrel's fluid flow bore to an exterior of the central mandrel, a hollow sleeve rotatably mounted around the central mandrel, and at least one sleeve port through the sleeve for fluid flow from within the sleeve from the exterior of the central mandrel to an exterior of the sleeve, the at least one sleeve port defined by a wall on the sleeve. In one aspect the wash nozzle includes apparatus for selective rotation of the sleeve about the mandrel. In one aspect flow through the wash nozzle is stopped to effect sleeve rotation and, in one particular aspect, flow through the nozzle is then re-established. Methods have been invented using such wash nozzles for wellbore washing operations and/or cuttings removal.

Abstract: A new screen has been invented for use with vibratory screening apparatuses which has, in certain aspects, a base, a first screen on the base, and a scalping screen on the first screen, the first screen assembly including a corrugated screen having alternating crests and valleys, and the second screen assembly secured to the crests of the corrugated screen, and cushion members disposed between the first and second screen assemblies, the corrugated screen of the first screen assembly having first end openings beneath valleys on two sides thereof, and end plugs within the first end openings to sealingly close off the end openings to fluid flow. The present invention has other embodiments disclosed herein from. A screening apparatus or shale shaker and methods of their use have been invented that use such screens.

Abstract: A method has been invented for recovering hydrocarbons from an earth formation containing hydrocarbons, the method including injecting a recovery injectant into the earth formation at a plurality of injection points spaced apart by about 14 to about 208 feet, and producing hydrocarbons from the formation with at least one producer well. In one aspect the method includes injecting steam into an earth formation which contains oil bearing diatomite at a plurality of injection points spaced apart by about 14 to about 208 feet, and producing hydrocarbons from the formation with a one or more producer wells extending into the oil bearing diatomite formation, with a plurality of producer wells spaced apart by a distance ranging between about 14 to about 149 feet, injecting steam into the oil bearing diatomite at an injection rate of between about 10 to about 149 barrels of steam per day per hundred feet thickness of diatomite, and injecting the steam at a pressure between about 10 p.s.i. to about 260 p.s.i.

Abstract: A wellbore mill has been invented that, in certain aspects, has a body having a top and a bottom and, optionally, a fluid flow channel extending therethrough from top to bottom with, optionally, one or more fluid jetting ports in fluid communication with the fluid flow channel, milling apparatus on the body including a plurality of milling inserts, each insert mechanically secured in a corresponding recess in the body, said mechanical securement sufficient for effective milling in a wellbore. A wellbore milling method for milling an opening in a selected tubular of a tubular string in a wellbore has been invented that includes installing and using such a mill.

Abstract: A wellbore mill has been invented having a flexible main body, and at least one milling apparatus secured on the flexible main body. A wellbore mill has been invented having a main body with a top end and a bottom end, at least one milling structure on the mill body, and a stinger projecting down from and releasably secured to the bottom end of the mill body. Methods have been invented for milling wellbore tubulars with such mills. A method for eliminating tubular offset in a wellbore has been invented, and the method includes positioning a wellbore mill in a tubular offset of a tubular string in a wellbore, the wellbore mill comprising a flexible main body and at least one milling apparatus secured on the flexible main body, and rotating the wellbore mill to mill at least part of the tubular offset.

Abstract: A screen assembly for a vibratory separator has been invented, the screen assembly, in certain aspects, having a panel with two connected pairs of spaced-apart sides including a first pair of spaced-apart side separated by a second pair of spaced-apart sides, a plurality of spaced-apart strips extending between the first pair of spaced-apart sides, each adjacent pair of the plurality of spaced-apart strips defining a space therebetween through the panel, a first mesh bonded to the spaced-apart strips, and a second mesh bonded to the backup mesh. In one aspect a third mesh is bonded to the second mesh. In one aspect the strips are formed from a panel piece by cutting material therefrom with a laser.

Abstract: The present invention, in certain embodiments, discloses a method for controlling an arch portion of coiled tubing above an injector for injecting the coiled tubing into a bore, the method including monitoring at least height of the coiled tubing arch with monitor apparatus that produces a signal indicative of the height, sending said signal to arch maintenance apparatus, and maintaining height of the arch portion with the arch maintenance apparatus using said signal indicative of said height.

Abstract: A wellbore tubular patch for patching a hole in a wellbore has been invented, the tubular patch in certain aspects having an expandable top member having a hollow tubular body and a top end and a bottom end, an expandable bottom member having a hollow tubular body and a top end and a bottom end, an expandable outer sleeve in which is secured a portion of the bottom end of the expandable top member, and a portion of the top end of the expandable bottom member inserted into and held within expandable outer sleeve. A method for making a tubular patch for patching a hole in a tubular in an earth wellbore has been invented, the method in certain aspects including securing a portion of a bottom end of an expandable top member in an expandable outer sleeve, the expandable top member having a hollow tubular body and a top end, and securing a portion of a top end of an expandable bottom member within the expandable outer sleeve, the expandable bottom emmber having a hollow tubular body.

Abstract: An apparatus for gripping a tubular member (118) comprising a housing (101) having an opening (119) for receiving a tubular member (118), at least one passive jaw (102, 103) pivotally mounted on said housing (101) and pivotable between a first position in which said tubular member (118) can enter said apparatus (100) via said opening (119) and a second position in which exit of said tubular (118) from said apparatus (100) is inhibited, an arm (112, 113) displaceable to prevent said passive jaw (102) pivoting to its first position, an active jaw (115) displaceable into engagement with said tubular member (118), and means (114) which act between said active jaw (115) and said arm (112) so that, in use, when a tubular member (188) is in said apparatus (100) and said active jaw (115) is advanced towards said tubular member (118) said arm (112) is displaced to prevent said passive jaw (102) moving to its first position before said active jaw (115) engages said tubular (118).

Abstract: A sealing apparatus for use in a well in connection with oil or gas production includes a seal and a pressure compensator. The seal is an inflatable, balloon-type well seal. The seal has a first cavity and is bears against an inner surface of a tubular surface. The pressure compensator is associated with the seal and includes a cylinder having a second cavity. The second cavity is in fluid communication with the first cavity. The cylinder has a reciprocatingly slidable piston positioned therein. The piston has first and second piston surfaces of different areas at opposite sides of the piston. The first piston surface is exposed to a first pressure value within the first cavity and the second piston surface is exposed to a second pressure value within the well.

Abstract: A milling system has been invented for milling an opening in a tubular in a tubular string in a wellbore extending down from a surface of the earth, the milling system, in one aspect, has a whipstock connected to an anchor assembly and a mill apparatus releasably connected to the whipstock, the mill apparatus having auto fill apparatus therein. A mill has been invented with a mill body with a top end and a bottom end, a flow bore through the mill body, and an auto fill apparatus in the flow bore. A valve assembly has been invented for selectively controlling fluid flow through a hollow tubular in a string of hollow tubulars in a wellbore extending from a surface of the earth into the earth, the valve assembly in one aspect having positions limited to at rest, circulate, and anchor set positions so that a fluid pressure indicating at the surface indicates only either a pressured up position for anchor setting or a pressured up position for fluid circulation.

Abstract: A wellbore flow diverter has been invented that, in certain aspects, has a housing with a main bore therethrough for fluid flow and a diverter bore therethrough for diverted fluid flow, the diverter bore in fluid communication with the main bore, internal apparatus including a spindle with a portion thereof within the housing, the internal apparatus for selectively closing off the main bore, at least one securement apparatus for releasably holding the internal apparatus in the housing, and remote control system operatively interconnected with and for remotely controlling the at least one securement apparatus in the housing.

Abstract: A wellbore mill has been invented which has milling apparatus with a starting mill and a finishing mill, the starting mill having a central channel extending longitudinally therethrough, the central channel having an interior surface with carbide cutters thereon. A milling method has been invented for finishing a window in a casing in a wellbore, the window having been begun with a first mill, the method including inserting a second mill apparatus into the wellbore adjacent the window, the second mill apparatus having a milling system with a starting mill and a finishing mill, the starting mill having a central channel extending longitudinally therethrough, the central channel having an interior surface with carbide cutters thereon, rotating the second mill apparatus to finish the window.

Abstract: A tube holder has been invented for holding straw or a hollow spray tube, the tube holder having a first ring, an interconnection member having a first end and a second end, the first end connected to or formed integrally with the first ring, a holding ring connected to or formed integrally with the second end of the interconnection member, the holding ring made of stretchable material for releasably holding a hollow spray tube, and at least one tab projecting from the first ring and connected thereto or formed integrally thereof. A method has been invented for releasably holding with such a tube holder a spray tube of a spray can system.

Abstract: A plumbing system, a slab therewith and a bowl for a plumbing system have been invented, the bowl, in one aspect having an outer side wall, the outer side wall being generally cylindrical in shape with a hollow interior and having a height and a top opening, an inner wall, the inner wall being generally cylindrical and having a hollow interior, the inner wall having a top opening and a bottom opening and a height equal to or less than the height of the outer side wall, a bottom wall comprising a generally circular ring, the bottom wall having an outer edge contacting a lower edge of the outer side wall and an inner edge contacting a lower edge of the inner wall, the bottom wall spacing apart the outer side wall from the inner wall around a circumference of the bowl, wherein the bottom opening of the inner wall is sized for receiving a pipe member, a coupling member positioned with a portion thereof within the bottom opening of the inner wall of the bowl, and a cap over the bowl.

Abstract: An apparatus for retrieving an object from a wellbore has been invented having an inner body and a longitudinal fluid flow bore therethrough, and at least one lateral flow bore therethrough, the bottom end having an opening suitable for receiving therein a fluid actuable member disposed for reciprocation with respect to the inner body, bias apparatus contacting the fluid actuable member for moving the fluid actuable member with respect to the inner body, and the fluid actuable member disposed so that the bias apparatus can push the fluid actuable member down to contact a plurality of fingers and move them into the longitudinal flow bore to engage the object in the wellbore when insufficient fluid pressure is present to overcome force of the bias apparatus in the fluid actuable member.

Abstract: A roof structure for a building has been invented, the roof structure having a roof member, and a covering on the roof support, of spray-on thermoplastic polyurethane. A building has been invented which, in one aspect, is portable and whose components or selected parts thereof are covered interiorly and/or exteriorly with spray-on thermoplastic polyurethane material, including but not limited to roof, floor, walls, and/or a skid or support on which the building rests.

Abstract: A wellbore tool locating system has been invented which includes a friction engager for engaging an interior of a wellbore tubular, an outer sleeve connected to the friction engager and having a slot therethrough for controlling movement of an inner body an inner body movably disposed within the outer sleeve for both rotating and up-and-down movement therein, a lug projecting out from the inner body and movably disposed in the slot, at least one key in a recess in the body, the at least one key urged outwardly by a spring therebehind, the at least one key initially held in its recess by contacting an inner surface of the outer sleeve, at least one window through the outer sleeve, and the inner body movable to align the at least one key with the at least one window to release the at least one key to move from its recess to project through the at least one window and beyond an exterior surface of the outer sleeve for engaging a profile on the wellbore tubular.