$=\frac{228,009}{30,115}>ox$

Turky

$(6)$ Weight of casing in mud

wole depth numithal

HL $=$ weight of casing in mud $+$ weight of travelling block, etc.

$=245,630+23,500=269,1301b$

$FL=\frac{HL}{(N)EF}=\frac{269,130}{100\mathrm{.}81}=33,226lb$

$DF=\frac{228,000}{33,226}=6\mathrm{.}9=\frac{228,009}{30,115}>ox$

Turky

$(6)$ Weight of casing in mud

wole depth numithal

HL $=$ weight of casing in mud $+$ weight of travelling block, etc.

$=245,630+23,500=269,1301b$

$FL=\frac{HL}{(N)EF}=\frac{269,130}{100\mathrm{.}81}=33,226lb$

$DF=\frac{228,000}{33,226}=6\mathrm{.}9$

$2-$ For the following data determine:

a$.$ Round trip ton mile at $10,000ft$

b$.$ Casing ton mile $($one joint is $40$ ft and nominal weight of casing $30l\frac{b}{f}t)$

c$.$ Drilling ton$-$mile when drilling from $10,000$ to $10,400ft.$

Hole depth $10000$ ft

Drill pipe $5xx4\mathrm{.}3,$ one stand is $90$ ft

Drill collar $600ft{8}^{\text{'}\text{'}}{2\mathrm{.}8}^{\text{'}\text{'}}$

Mud weight $12$ ppg

Weight of travelling block and hoke $23,000lb$

$2-$ For the following data determine:

a$.$ Round trip ton mile at $10,000ft$

b$.$ Casing ton mile $($one joint is $40$ ft and nominal weight of casing $30l\frac{b}{f}t)$

c$.$ Drilling ton$-$mile when drilling from $10,000$ to $10,400ft.$

Hole depth $10000$ ft

Drill pipe $5xx4\mathrm{.}3,$ one stand is $90$ ft

Drill collar $600ft{8}^{\text{'}\text{'}}{2\mathrm{.}8}^{\text{'}\text{'}}$

Mud weight $12$ ppg

Weight of travelling block and hoke $23,000lb$