A method of plugging a well extending into a formation to facilitate temporary or permanent abandonment of the well. The method comprises conveying a plug placement and verification tool (PPVT) through the well, to a plug formation location, the PPVT comprising a stinger for delivering a plugging material into the well, an expandable packer disposed at one end of the stinger and a pressure sensor disposed below the expandable packer, and operating the expandable packer to form a seal in the well above the pressure sensor. The method further comprises delivering a plugging material from the stinger into a region of the well above the expandable packer, thereby forming a plug in the well, and thereafter creating a pressure change above the plug and verifying the integrity of the plug using the pressure sensor.

A method of plugging a well extending into a formation to facilitate temporary or permanent abandonment of the well. The method comprises conveying a plug placement and verification tool (PPVT) through the well, to a plug formation location, the PPVT comprising a stinger for delivering a plugging material into the well, an expandable packer disposed at one end of the stinger and a pressure sensor disposed below the expandable packer, and operating the expandable packer to form a seal in the well above the pressure sensor. The method further comprises delivering a plugging material from the stinger into a region of the well above the expandable packer, thereby forming a plug in the well, and thereafter creating a pressure change above the plug and verifying the integrity of the plug using the pressure sensor.

An apparatus for remote actuation of a downhole device in a wellbore, that includes a cable head configured to connect with a cable in communication with surface equipment. The cable head is connected with a tractor module. A communication module is connected with the tractor, and a release device is connected with the communication module. The release device is connected with an anchor. The anchor section is connected with a downhole device. The downhole device is configured to communication with the communication module when the communication module is released from the release device.

A downhole perforating gun having a weight assembly formed of a plastic shell containing a weight material enclosed or encased in the plastic shell so that upon detonation of a perforating charge, the plastic shell may deform but will function to contain the weight material of the weight assembly preventing interference with formation fluid flow. In an alternative embodiment, the plastic shell is consumed by the detonation of the charges. In one or more embodiments, the plastic shell is hollow, forming a cavity into which a flowable weight material may be charged. The flowable weight material may be a granular material or a liquid, and may be selected based on the density characteristics of the flowable weight material and the weight requirements for a particular internally orienting perforating gun.

A downhole perforating gun having a weight assembly formed of a plastic shell containing a weight material enclosed or encased in the plastic shell so that upon detonation of a perforating charge, the plastic shell may deform but will function to contain the weight material of the weight assembly preventing interference with formation fluid flow. In an alternative embodiment, the plastic shell is consumed by the detonation of the charges. In one or more embodiments, the plastic shell is hollow, forming a cavity into which a flowable weight material may be charged. The flowable weight material may be a granular material or a liquid, and may be selected based on the density characteristics of the flowable weight material and the weight requirements for a particular internally orienting perforating gun.

A box by pin perforating gun system using swaged down gun bodies, a removable cartridge to hold a detonator and switch, and an insulated charge holder as an electrical feed-through.

A box by pin perforating gun system using swaged down gun bodies, a removable cartridge to hold a detonator and switch, and an insulated charge holder as an electrical feed-through.

A wellbore plug isolation system and method for positioning plugs to isolate fracture zones in a horizontal, vertical, or deviated wellbore is disclosed. The system/method includes a wellbore casing laterally drilled into a hydrocarbon formation, a wellbore setting tool (WST) that sets a large inner diameter (ID) restriction sleeve member (RSM), and a restriction plug element (RPE). The WST is positioned along with the RSM at a desired wellbore location. After the WST sets and seals the RSM, a conforming seating surface (CSS) is formed in the RSM. The CSS is shaped to engage/receive RPE deployed into the wellbore casing. The engaged/seated RPE isolates heel ward and toe ward fluid communication of the RSM to create a fracture zone. The RPE's are removed or left behind prior to initiating well production without the need for a milling procedure. A large ID RSM diminishes flow constriction during oil production.

A wellbore plug isolation system and method for positioning plugs to isolate fracture zones in a horizontal, vertical, or deviated wellbore is disclosed. The system/method includes a wellbore casing laterally drilled into a hydrocarbon formation, a wellbore setting tool (WST) that sets a large inner diameter (ID) restriction sleeve member (RSM), and a restriction plug element (RPE). The WST is positioned along with the RSM at a desired wellbore location. After the WST sets and seals the RSM, a conforming seating surface (CSS) is formed in the RSM. The CSS is shaped to engage/receive RPE deployed into the wellbore casing. The engaged/seated RPE isolates heel ward and toe ward fluid communication of the RSM to create a fracture zone. The RPE's are removed or left behind prior to initiating well production without the need for a milling procedure. A large ID RSM diminishes flow constriction during oil production.

A box by pin perforating gun system using swaged down gun bodies, a removable cartridge to hold a detonator and switch, and an insulated charge holder as an electrical feed-through.