Patent Application
20200032606
In the resource recovery industry it is often the case that multiple tools are positioned in the downhole environment that are actuated by objects landed on seats to facilitate the imposition of pressure differentials across such seats to make components of the downhole system move. In many such systems of a more contemporary nature, the objects are degradable objects such as for example, objects made from IN-Tallic™ degradable material commercially available from Baker Hughes, a GE company, Houston Texas. One example of a system like this is a fracture and production system where a fracturing operation is undertaken by landing a object on a fracture seat and pressuring up thereon to fracture a zone of the formation. Another object may then be landed on a second seat to close fracture ports and open production ports. Other systems like this example are certainly available in the art. In each of these, circulating fluid does not well reach the first landed object as it is in a relatively dead fluid and debris collecting space of the borehole between the second landed object and the seat upon which the first landed object is seated. The condition just discussed tends to result in a reduced reactivity such that degradable objects fail to degrade at the rate they were designed to degrade thereby inducing delay in whatever operation is being performed. The art would well receive arrangements that improve efficiency.
An object removal enhancement arrangement including a seat, a volume movable with the seat, the volume being protected in a first condition of the seat and unprotected in a second condition of the seat, and a material disposed within or as a part of the volume, the material degradative of an object.
A resource recovery system including a tubular string disposed in a formation, a seat disposed in the tubular string, a volume moveable with the seat, the volume being protected in a first condition of the seat and unprotected in a second condition of the seat, and a material disposed within or as a part of the volume, the material degradative of an object.
A method for enhancing response time for degrading degradable objects in a system including landing a first object on a first seat, pressuring against the first object, landing a second object on a second seat uphole of the first object, exposing a material moveable with the second seat to an environment between the first seat and the second seat.
The following descriptions should not be considered limiting in any way. With reference to the accompanying drawings, like elements are numbered alike:
A detailed description of one or more embodiments of the disclosed apparatus and method are presented herein by way of exemplification and not limitation with reference to the Figures.
Referring to
Referring to
In an alternate embodiment, referring to
The system 10 is contemplated to be employed as a part of a tubular string 40 disposed within the formation 20 through a borehole in the formation 20.
A method for enhancing response time for degrading degradable objects in a system 10 including exposing a material 30 to an environment between a first object 14 and a second object 22 or seat 24 and degrading the object 14 and/or seat 12.
Set forth below are some embodiments of the foregoing disclosure:
Embodiment 1: An object removal enhancement arrangement including a seat, a volume movable with the seat, the volume being protected in a first condition of the seat and unprotected in a second condition of the seat, and a material disposed within or as a part of the volume, the material degradative of an object.
Embodiment 2: The arrangement as in any prior embodiment wherein the volume is in a recess in the seat.
Embodiment 3: The arrangement as in any prior embodiment wherein the volume is of a component other than the seat while remaining movable with the seat.
Embodiment 4: The arrangement as in any prior embodiment wherein the volume is protected by a closure member.
Embodiment 5: The arrangement as in any prior embodiment wherein the closure member is a rupture member.
Embodiment 6: The arrangement as in any prior embodiment wherein the closure member includes a seal.
Embodiment 7: The arrangement as in any prior embodiment wherein the closure member is a sleeve.
Embodiment 8: The arrangement as in any prior embodiment wherein the material is an acid.
Embodiment 9: The arrangement as in any prior embodiment wherein the material is polyglycolic acid.
Embodiment 10: The arrangement as in any prior embodiment wherein the material is polylactic acid.
Embodiment 11: A resource recovery system including a tubular string disposed in a formation, a seat disposed in the tubular string, a volume moveable with the seat, the volume being protected in a first condition of the seat and unprotected in a second condition of the seat, and a material disposed within or as a part of the volume, the material degradative of an object.
Embodiment 12: A method for enhancing response time for degrading degradable objects in a system including landing a first object on a first seat, pressuring against the first object, landing a second object on a second seat uphole of the first object, exposing a material moveable with the second seat to an environment between the first seat and the second seat.
Embodiment 13: The method as in any prior embodiment wherein the pressuring against the first object includes fracturing a formation.
Embodiment 14: The method as in any prior embodiment wherein the exposing includes shifting the second seat.
Embodiment 15: The method as in any prior embodiment wherein the exposing includes rupturing a closure member.
Embodiment 16: The method as in any prior embodiment wherein the exposing includes moving a sleeve disposed about the second seat.
Embodiment 17: The method as in any prior embodiment wherein exposing the material includes migrating the material to the first object.
Embodiment 18: The method as in any prior embodiment wherein exposing the material includes degrading the first object.
The use of the terms “a” and “an” and “the” and similar referents in the context of describing the invention (especially in the context of the following claims) are to be construed to cover both the singular and the plural, unless otherwise indicated herein or clearly contradicted by context. Further, it should be noted that the terms “first,” “second,” and the like herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The modifier “about” used in connection with a quantity is inclusive of the stated value and has the meaning dictated by the context (e.g., it includes the degree of error associated with measurement of the particular quantity).
The teachings of the present disclosure may be used in a variety of well operations. These operations may involve using one or more treatment agents to treat a formation, the fluids resident in a formation, a wellbore, and/or equipment in the wellbore, such as production tubing. The treatment agents may be in the form of liquids, gases, solids, semi-solids, and mixtures thereof. Illustrative treatment agents include, but are not limited to, fracturing fluids, acids, steam, water, brine, anti-corrosion agents, cement, permeability modifiers, drilling muds, emulsifiers, demulsifiers, tracers, flow improvers etc. Illustrative well operations include, but are not limited to, hydraulic fracturing, stimulation, tracer injection, cleaning, acidizing, steam injection, water flooding, cementing, etc.
While the invention has been described with reference to an exemplary embodiment or embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include all embodiments falling within the scope of the claims. Also, in the drawings and the description, there have been disclosed exemplary embodiments of the invention and, although specific terms may have been employed, they are unless otherwise stated used in a generic and descriptive sense only and not for purposes of limitation, the scope of the invention therefore not being so limited.
