$-6"$ hole, vertical well with bit on bottom

$-19,000$ ft$.$ TD$,$ MW $=13\mathrm{.}8$ ppg

$-95/8",47$#$/$ft$.$ casing set at $9,000$ ft$.$

$-7"$ Liner, $26$#$/$ft$.$ set at $14,000$ ft$.$ with a $300$ ft$.$ overlap inside the $95/8"$ casing

$-4",14$ #$/$ft$.$ drillpipe

$-1,160$ ft$.$ of $4"$ HWDP $($Heavy Weight Drill Pipe$),27\mathrm{.}2$ #$/$ft$.$

$-550$ ft$.$ of $43/4"$ Drill Collars

$-5"$ x $10"$ triplex pump at $91\%$ efficiency and $90$ strokes$/$min

$-3$ mud pits. Each is $27$ ft$.$ x $10$ ft$.$ x $11$ ft$.$ deep. Each contains $10$ ft$.$ of mud when the drillstring is in the hole.

q$1-.$Annular velocity in ft$./$min : DRILL PIPE & OPEN HOLE

$199\mathrm{.}99$

$213\mathrm{.}87$

$241\mathrm{.}17$

$255\mathrm{.}71$

Annular velocity in ft$./$min : DRILL PIPE & LINER

$218\mathrm{.}66$

$238\mathrm{.}66$

$242\mathrm{.}36$

$265\mathrm{.}3$

Annular velocity in ft$./$min : DRILL PIPE & CASING

$68\mathrm{.}15$

$86\mathrm{.}15$

$106\mathrm{.}15$

$118\mathrm{.}15$

$.$Hydrostatic pressure on bottom $\_\_\_\_\_\_\_\_\_\_\_$ psi

$11589\mathrm{.}3$

$12699\mathrm{.}5$

$13634\mathrm{.}4$

$14633\mathrm{.}3$