FIELD: drilling. SUBSTANCE: device includes a float joint in which an additional pipe, having bearing flange at the top end and guide plug at the bottom end, is telescopically mounted. Additional pipe bearing ring is connected with float joint lower end face with shearing members. Length of additional pipe is chosen from relationship l/H≥ 0,002, where l is length of additional pipe, H is length of casing. EFFECT: assembly of casing bottom facilitated. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR RUNNING IN AND CEMENTING LINERS | 0 |
|
SU581236A1 |
| APPARATUS FOR CEMENTING CASINGS | 0 |
|
SU1335676A1 |
| DEVICE FOR CONTROLLED PLACING OF CEMENT BRIDGING PLUGS IN WELLS | 1992 |
|
RU2044864C1 |
| DEVICE FOR CEMENTING CASING STRINGS | 1990 |
|
RU2043482C1 |
| APPARATUS FOR INSERTING AND CEMENTING CASINGS | 0 |
|
SU678179A1 |
| DEVICE FOR TWO-STAGE CEMENTING OF CASING STRINGS | 1992 |
|
RU2054526C1 |
| ARRANGEMENT FOR RUNNING DOWN AND CEMENTING LINERS AND CASING SECTIONS | 0 |
|
SU581244A1 |
| DEVICE FOR BOTTOM HOLE CEMENTING | 0 |
|
SU658263A1 |
| DEVICE FOR SUSPENDING FLUSH CASINGS | 0 |
|
SU787619A1 |
| METHOD OF BOREHOLE FIXING | 1990 |
|
RU2057903C1 |
