Method and multi-purpose apparatus for dispensing and circulating fluid in wellbore casing

An apparatus for inserting into the upper end of a casing string for wellbore casing cementing operations, the apparatus comprising:

• a cementing head assembly, wherein said cement head assembly comprises a kelly valve having an inlet and an outlet, and a ball dropping pump-in tee connected to the outlet of said kelly valve wherein said ball dropping pump-in tee includes an inlet nozzle, an outlet nozzle, a pump nozzle, a tripping ball chamber, and a pull-pin assembly:
• a fill-up and circulating tool connected to said cementing head assembly adapted to allow cement to flow therethrough;
• and
• a wiper plug assembly comprising a plurality of detachable wiper plugs connected in series to said fill-up and circulating tool for releasing into the casing to seal the bottom of the casing string.

A fill-up and circulating apparatus suspended from a traveling block for filling fluid into casing, and circulating fluid through the inside surfaces of casing and into a wellbore, the fill-up and circulating apparatus comprising:

• a fill-up and circulating tool comprising a mandrel having an inlet, a central axial bore therethrough to allow fluid to flow through the assembly and into the casing, and a sliding sleeve disposed about and in vertical slidable engagement with the outer surface of said mandrel, said lock sleeve having a packer cup fixedly and radially disposed thereon for engaging with and sealing against the inside surface of the casing;
• and a top sub assembly connected to said mandrel inlet;
• and
• a rotary rig assembly capable of being raised and lowered from the traveling block for suspending the fill-up and circulating tool above the casing.

A fill-up and circulating apparatus suspended from a traveling block for filling fluid into casing, and circulating fluid through the inside surfaces of casing and into a wellbore, the fill-up and circulator apparatus comprising:

• a fill-up and circulating tool comprising a mandrel having an inlet, a central axial bore therethrough to allow fluid to flow through the assembly and into the casing, and a sliding sleeve disposed about and in vertical slidable engagement with the outer surface of said mandrel, said lock sleeve having a packer cup fixedly and radially disposed thereon for engaging with and sealing against the inside surface of the casing;
• and a top sub assembly connected to said mandrel inlet;
• and
• a top drive rig assembly suspended from the traveling block, adapted to connect to said fill-up and circulating tool, and adapted to align the fill-up and circulator assembly with the center of the casing.

An apparatus suspended from a traveling block for cementing operations in wellbore casing, the apparatus comprising:

• a rotary rig assembly adapted to be raised and lowered from the traveling block, wherein said rotary rig assembly comprises a hook, a guide plate adapted to suspend a fill-up and circulating tool connected to the hook with a u-bolt assembly, a plurality of bails connected to the hook at one end and suspending an elevator at an opposite end, a rotary table, and a plurality of slips, and wherein said rotary rig assembly is adapted to suspend a fill-up and circulating tool;
• a cementing head assembly having an inlet and an outlet, said inlet connected to said top drive rig assembly;
• the fill-up and circulating tool having an inlet and an outlet, said inlet connected to the outlet of said cementing head assembly to extend a plow path from said cement head assembly;
• and
• a wiper plug assembly comprising a plurality of detachable wiper plugs connected in series to said fill-up and circulating tool for releasing into the casing to seal the bottom of the casing string.

An apparatus adapted to be suspended from a traveling block for cementing operations in wellbore casing, the apparatus comprising:

• a top drive rig assembly adapted to be suspended from a traveling block;
• a cementing head assembly having an inlet and an outlet, said inlet connected to said top drive rig assembly;
• a fill-up and circulating tool having an inlet and an outlet, said inlet connected to the outlet of said cementing head assembly to extend a flow path from said cement head assembly;
• and
• a wiper plug assembly comprising a plurality of detachable wiper plugs connected in series to said fill-up and circulating tool for releasing into the casing to seal the bottom of the casing string.

An improved method of filling and circulating fluid in wellbore casing suspended from a drilling rig floor, and cementing the casing string in the wellbore, the method comprising:

• providing a top drive rig assembly comprising a top drive connected to at least one drilling fluid pump, an elevator, a rotary table, and rotary table slips;
• providing a fill-up and circulating tool adapted to be connected to the top drive and capable of being lowered into the casing, said fill-up and circulating tool adapted to receive pumped cement from a cement head assembly connected to said tool and adapted to be connected with a wiper plug assembly comprising at lease one releasable wiper plug;
• connecting said fill-up and circulating tool to said top drive;
• lowering the top drive rig assembly such that the fill-up and circulating tool is positioned above the upper end of the casing suspended from the drilling rig floor;
• thereafter pumping fluid to the top drive through the fill-up and circulating tool and into the casing string;
• thereafter installing the cement head assembly and the wiper plug assembly on the fill-up and circulating tool;
• thereafter lowering the fill-up and circulating tool with the cement head assembly and wiper plug assembly attached into the casing;
• thereafter releasing at least one plug into the wellbore and pumping a calculated volume of cement behind the plug to drive said plug down to the bottom of the casing string forcing the cement out of the casing and into the wellbore;
• and
• thereafter raising the fill-up and circulating tool with the cement head assembly and wiper plug assembly attached out of the casing string.

An improved method of filling and circulating fluid in wellbore casing suspended from a drilling rig floor, and cementing the casing string in the wellbore, the method comprising;

• providing a rotary rig assembly comprising a hook, a guide plate adapted to suspend a fill-up and circulating tool connected to the hook with a u-bolt assembly, a plurality of bails connected to the hook at one end and suspending an elevator at an opposite end, a rotary table, and a plurality of slips;
• providing a fill-up and circulating tool adapted to be connected to the guide plate and capable of being lowered within and adapted to seal against the inside diameter of the casing, said fill-up and circulating tool adapted to receive pumped cement from a cement head assembly connected to said tool and adapted to be connect with a wiper plug assembly comprising at lease one releasable wiper plug;
• connecting said casing circulator assembly to said top drive;
• lowering the rotary rig assembly such that the fill-up and circulating tool is positioned above the upper end of the casing string;
• thereafter pumping drilling fluid to the top drive through the fill-up and circulating tool and into the casing string;
• thereafter installing the cement head assembly and the wiper plug assembly on the fill-up and circulating tool;
• thereafter lowering the fill-up and circulating tool with the cement head assembly and wiper plug assembly attached into the casing;
• thereafter releasing at least one plug into the wellbore and pumping a calculated volume of cement behind the plug to drive said plug down to the bottom of the casing string forcing the cement out of the casing and into the wellbore;
• and
• thereafter raising the fill-up and circulating tool with the cement head assembly and wiper plug assembly attached out of the casing string.