Pumping Diesel

8/18/2019 Pumping Diesel

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Pumping Diesel

By: Brigham Forbush


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Well Services Safety Standards / Field Scenario

It is 2:00 AM, you are on a rig offshore and the client

has just ask you to get ready to pump 00 !!ls of

diesel in his "ell at # o$clock in the morning%


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Field Scenario / Pumping Diesel&he 'uestions "e "ill consider:

( )hich )ell *er+ices or -* *tandard do you refer to.

( )hat do you propose to do a!out this.

( )hat precautions do you take.

( Do you need an e/emption.

( ight or Day. 1an you pump at night or ha+e to "ait until day

time.

( *tore Diesel in an open tank or in a closed tank.


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)hich )ell *er+ices or -* *tandard do you refer to.

Primary )* *tandard to refer:

)* 3*4 *td 50: Mi/ing and Pumping 1om!usti!le and

-lamma!le -luids

&his *tandard contains a "ealth of kno"ledge a!out pumping diesel

and other fluids including the ho" and "hat to do%


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)hat do you propose to do a!out this.

1. Gather ob information using the !ombustible and Flammable

Fluids Supplemental Data Sheet.


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". Do not accept the ob if the fluid is listed in section #$.%&

'nsafe fluids and conditions

&he fluids in the follo"ing ta!le are e/pressly prohi!ited from !eing

pumped !y )ell *er+ices personnel and e'uipment%

6asoline Petroleum aphtha

Acetone

Any flamma!le gas: produced gas, propane, !utane, 76,

7P6, etc%


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8nsafe fluids continued%%%

-luids "ith unkno"n +apor pressure 9P; or flash point 9-P;

1rude oil "ith P greater than < psi 92=%# kPa;

Any other fluid "ith P greater than < psi 92=%# kPa;%


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#. Determine the Well Services Fluid Flammability (ating )FF(* of

all combustible and flammable fluids and mi+tures.

)hat is a -luid -lamma!ility >ating 9-->;.

A system of classifying fluids !ased on their a!ility to ignite, as determined !y this

standard% -luids are classified as either:

? 7o">isk

? Medium>isk

? 3igh>isk%

? 4/treme>isk%

&he -luid -lamma!ility >ating is determined !y using the +apor pressure and

flash point of the fluid%


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3o" are these classifications defined.

>ating Definition

7o" >isk P less than 2%0 psi 95%@ kPa; and -P from 00 deg- 95=%@

deg1; to 200 deg- 95%5 deg1; %

Medium >isk P less than 2%0 psi 95%@ kPa; and -P less than 00 deg-

95=%@ deg1; or,

P from 2%0 psi 95%@ kPa; to 5%0 psi 920%= kPa; and -P greater

than 00 deg- 95=%@ deg1; %

3igh >isk P from 2%0 psi 95%@ kPa; to 5%0 psi 920%= kPa; and -P less

than 00 deg- 95=%@ deg1; %

4/treme >isk P from 5 psi 920%= kPa; to < psi 92=%#kPa;%


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A +isual chart forthe -->


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Also, there is a chart in )* *tandard 50%

ame Diesel

apor Pressure il

-lash Point: deg- 00 to 50

deg1 5@ C<)ell *er+ices --> 7o"

*pecific 6ra+ity %0

ote: All the VP values in this table is based on the measurement at the

temperature at 25 degC. For any ambient temperature above 25 degC, the VP

must be measured.


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*hould "e store diesel in an open tank or in a closed tank. Points to

conseder:

If it is in a open tank there is a greatly increased chance for

ignition%

In a closed tank, "ill the +apour pressure pose a threat.

&herefore a closed tank "ould !e the safest storage option%


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,. -nser the uestions on the 0perating haard uestionnaire.

)e "ill !e a!le to esta!lish the operating haEard rating 93>; !y ans"ering these

'uestions as either, F4* or %

%Is the area in "hich the fluids "ill !e mi/ed and pumped "ell +entilated.

2%Is "ater or diesel a+aila!le to pressure test and flush all lines.

5%Are )ell *er+ices personnel the only personnel in+ol+ed in the mi/ing and

pumping operation, including transferring, heating, etc.


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2. Determine the

Flammability (is5 !ode

6he ob ill have to bedelayed slightly so that e

are pumping during

daylight hours.


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7. 6a5e all reasonable steps to reduce the ris5 to a loer level.

&his "ill !e specific to

your situation and

en+ironment%As an 4/ample: in

)illiston, most locations

ha+e a flare "hich must

o!+iously !e a+oided%


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%. Document the Flammability (is5 !ode in 8'9S63 based on

the level of ris5 identified.

84*& is used to document all mi/ing and pumping of com!usti!le or

flamma!le fluids%

8se Management of 1hange 9Mo1; "hen ->1 is 6reen, Fello", >ed or

Deep>ed and the re'uirements in this standard is in compliance%

8se an e/emption "hen the --> is 4/treme >isk or "hen you cannot comply

"ith this standard or another standard%

:n this scenario e ould not need to get an e+emption;


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7earning !jecti+es

Actions taken for a 6reen >isk 1ode


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)hat precautions do you take.

In all operations in+ol+ing the mi/ing and pumping of flamma!le and

com!usti!le fluids there is a heightened risk of fire% Precautions must

!e taken to ensure that the re'uired fire(fighting e'uipment is

a+aila!le, "orking and that personnel are trained to use it%


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6eneral precautions to take:

4'uipment should !e place in such a position to minimiEe the flo" of the

flamma!le fluid past any ignition sources during the operations%

Geep all non(in+ol+ed personnel stationed at the muster point or safe area%

4/cept for the persons operating the e'uipment, no person is permitted to !ein the restricted access area during mi/ing and pumping of flamma!le fluid%

*top all engines and other ignition sources that are not necessary for the

pumping operation%

Do not place any flamma!le fluids in pump unit displacement tanks% 1lear communication is re'uired in case of emergency%


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ur scenario take place offshore% Any ffshore operations "ill !e

supported !y the rigHs or +esselHs fire(fighting e'uipment%

Prior to loading any flamma!le or com!usti!le material onto any +essel that

the operation shall !e performed from:

&he fire fighting capa!ility must !e determined

&he e'uipment must !e confirmed to !e in a "orking order%

&he num!er of trained personnel to operate the fire(fighting e'uipment is

sufficient%

&he plan must !e documented and attached to the 84*& Management of1hange 9Mo1; document%

Documents

Pumping Diesel