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IX-43<br />

'.'<br />

....<br />

l<br />

46802 Federal Re~.ter r Vol. 53 No. :Z3 I Friday. !'iovemoer lB. 1968 I Rule. and Re~ulations<br />

One comment was reteived<br />

suggesting alternative wotdJng ta make<br />

'I\intrn.um standard w.B.t.l. aD. testieR<br />

the t:ressu:! 1J"'.tegrity <strong>of</strong> eac.h casing<br />

shol!' Clore flexible to meet ....arying<br />

pre,sure situatioos at different depthl<br />

and in different formations. Reccgni%;ing<br />

thal ...."':.e well may not require a SM<br />

oyste", until it ruc~.o great.r depth. the<br />

.uggested wording h.. been adollled.<br />

The ii"aJ Order reia",.. the requirement<br />

lor ponien! or wel!:I-jeneral!y the<br />

upper portions-that may not reqaLr'e a<br />

SM syste",.<br />

C. Mud Pro!lro..rdl.qui",::.nt~<br />

One cQm:::::lent;was recei'ved ask-i..1S<br />

thaI the te~ "modcililg up" be defined.<br />

The lir.al 1".!I.oa..lCll$ inoJudes a<br />

d.finition o( thi. I.r:n.<br />

In resper.se to c:ocnmec.ts. the last<br />

aeater..CI <strong>of</strong> the requirement statement<br />

(or this section .... modified by<br />

replacir.g "and" WitA "or" In r,cognition<br />

that b.ing relativ.ly n.ar a preew.: bulk<br />

cod sullply i•• suffic.nt and ..<br />

Acceptable alternative to malntainina .<br />

.alfic'.nt quantities <strong>of</strong> cud matarial. Ol'<br />

lite. ..<br />

For c1atity .nd..1 the Ouss..tlon <strong>of</strong> a<br />

co=.n~ the word "equipm.nl" ba~<br />

been added to the t.rm "vi.ual mud­<br />

1lI0nitorinS" In lIlinimum 'laJldard<br />

w.ez.<br />

Mi~u:u .tandard m.c.3. <strong>of</strong> tha mud<br />

progra", requitemenll has b.en<br />

IOOdilied •• 'lI8B••I.d by..veral<br />

.comments to requ". havin& mud<br />

monlloring equipment in plac. On .11<br />

.y.t.lO. only when .bnormal pr••sure,<br />

Ole anticip,l.d by the operator. A<br />

definitio" <strong>of</strong> "abnormal preSAura" hal<br />

beeo added ill the d.finitions lection to<br />

clarify whe" the operator is r.quired to<br />

ha.... 1lI0nitOrina equipmenlln place. In<br />

e",ploratioo un•. appUcaliona few<br />

pe=it to d:ill [APOI will b. approved<br />

only if they call ror monltorUll .<br />

equipment to be ill place. b."'..... In<br />

IUch .Huatio", there can b. Utt1. ew nO<br />

basi.for Inticipating normal prusun..<br />

A chang. in the proposed Order al<br />

paragraph m.C.4. on teslina for .<br />

vilco.ity. deo.ity. and sel Itnaath·w..<br />

mad. in re.pon•• 10 collllll.nt. llAtin,<br />

that thl Ordlr .hould .p.cify wh.n it il<br />

nee....ry 10 be~ requirina mud tests.<br />

Thi. ha. been don. in the final<br />

ruJ.makina by Ip.cifylng that afler .<br />

muddina up-. thl tests lilould OCCW' ....ry<br />

24 houn. . .....-.•.., ...•...<br />

Several comments were r~e:ived<br />

obleeling to the llIinimum Ilandard<br />

me.. on the Use <strong>of</strong> trip tanU.·na<br />

. requirelllent only .ppli.. to 10M. 15M.<br />

:and upgnd.d SM IYltem•. Systeml in<br />

IUch bigh p",ssura liluations a.. unique<br />

by their n.tuno and ",quire l\lItial<br />

.• , ... ..1_. __.:_._ ~1<br />

'.'<br />

kick" This Itand.rd therefore remain.<br />

unchanged. except thai the authorized<br />

<strong>of</strong>ficer 1I given discretion. for SM<br />

Iystems. to require a trip lar.x if<br />

c.onditions warranL<br />

Minimum ltandard m.c.e. on au<br />

deteeti<strong>of</strong>t fquipment has been<br />

completely rewritten. at l.'e suggestion<br />

<strong>of</strong> One ccmmenL to add a prtlvbion fat<br />

monitoring other hydrocarbon gases.<br />

IUch as methane. as weU as hyd..--ogen<br />

lulfidl. An editorial clrang. was 11.0<br />

made lo correct t.'e H,5 concentration<br />

Us ted from 100 ppm to :0 ppm.<br />

The language <strong>of</strong> standard IlL C.7. on<br />

nare .yslem. has bjen changld to<br />

IllIprov. datity by ,plcifying thaI na..<br />

Une••hall be po.itioned in the<br />

prevailinl downwind dinction from the<br />

ga. ,ourc•. In Iddition. th" nan lin.<br />

dischal1e distance ha. been cbaaed<br />

from 1SO (.at 10 100 (elt for conoistancy<br />

wil1l proposed Order II. which is in<br />

preparation. and with .tandards 1"1 by<br />

the Occupational Saf.ty and H.alth<br />

Administration. .<br />

Slandard ULCL h.. b.en amand.d 10<br />

. require 11l. installation <strong>of</strong> a mud'au<br />

I.parltor (Jaobu.ter) ...p.Clfi.d al .<br />

11..1SOC [eellbove thl I"ticipated<br />

hydroc.arhon zone inltead or1.000 r••t<br />

as statld in the PfUpoled rulemaking.<br />

and only for IYltem. or 10M or areat.r.<br />

or those wh.,.. ebnormal pre..ure. are<br />

Afttitipat.d .v.n if the .y.t.m is nol<br />

10M. ral1ler lhan for a1l5M or areaIer<br />

Iy.tems .. provided in the proposed<br />

ruJemalcing. Several comments<br />

requ.lled thiJ change. which will a1.0 ­<br />

be consut...1wi\h tAl proposed Ord.r e<br />

On H.S Operations. Thil approach is<br />

mo", relsonabll and neXlble. Th.<br />

•Iandard eppUes only in tho•• discret.<br />

..... when "parllon ara mOIIIik.ly<br />

to h. needed. Additionally. the violation<br />

In the final rulem'~na i. c1assi.Eied as<br />

"uor" lis recoanillon that \h.<br />

1:nmction could ",adily be made before<br />

encount.rilll \he anticipated<br />

hydrocarboo ="e.<br />

D. Dn'// SI.m r••lin, ~quirem.nl6<br />

A number <strong>of</strong> commentl acldre•••d the<br />

PfUPOSed pruhihition <strong>of</strong> lniliatl:l8 drill<br />

.1110 III~ IDSTl outside <strong>of</strong> daylisbl<br />

hours. This proVision hal b.en moclili.d<br />

10 allow the lutborizad <strong>of</strong>ficer a dear.a<br />

01 nexibility:n Ipprovinl OST in<br />

"coanition ll:et in the "orthe... lalilud..<br />

. and during ~"a Winter months. Initiation<br />

<strong>of</strong>a OST in daylight may "01 be<br />

practicable. Special ..[.ty re'luir.m.nta<br />

llIay be imposed by the authorized<br />

<strong>of</strong>ficer iIllho.. in.tanc... Al.o. c1o••d<br />

<strong>Information</strong> <strong>Only</strong><br />

chambar DST may be accompli.h.d day<br />

night and provi.ion this has been<br />

added as '"aelled in comments .nd 10<br />

..l~~;r•• 1101. t'I~'~jr.Jl ir:!PMti01"l <strong>of</strong> the dtlit.<br />

Standard. Ill.D.l. and o.z. w .....<br />

editorially a~ended for clanty as<br />

,uggested In c:lCu~:ents.<br />

Standard m.D.J. on thelocatien <strong>of</strong><br />

combustion engines has been amended<br />

to make it consiSlent with the OSHA<br />

requirement that they be loca ted no<br />

closer than tOO feet from t.h.e well bore.<br />

unless equipped with arresters and/or<br />

waler cooled exhaust manifoids.<br />

E. Sp«ioI Drilling Operation.<br />

Nw::cerous COmJ:1ents were received<br />

concerning t..~is sec:tion. Many <strong>of</strong> !.hen<br />

addressed the m.inlmum distances<br />

specified. In response to these<br />

c.cra.m.enu. aU distances have been<br />

.Iandardi..d and reduced to 100 f.et.<br />

For exampu.. Ib.e l.ngLil <strong>of</strong>lile blooie<br />

line. required to be 1SO fe.t (rom th.<br />

well bo", in ~"" proposed ruJ.mak~~~. i.<br />

now 100 feet. I.e. all calIS. the distanc.es<br />

Ipecified in lhio final ruJemalt.ing<br />

pertainin& to Special Orillir.g O;eration.<br />

are consiltent wilh .imilu requ.ilem,nts<br />

o( OSHA.<br />

Anol1le: comm.nt .uSSest.d<br />

mcdifyina the llIinimum Itandard<br />

co:neerning the straighl run on the blooi.<br />

lin•. Thil b.. b.en modified by th.<br />

addition <strong>of</strong> the wordo "unles. otA.twis.<br />

. approved" b.cause th.", mlY b•<br />

In.tance. whlre e .traighl run may not<br />

be feasible.<br />

Onl conunenllussest.d removal <strong>of</strong><br />

the minimum standard requiring<br />

dedu.ler .qulpmenl during air/ga.<br />

drilling. Thi. comm.nt was not adopt.d<br />

due 10 the pOlentially .erious<br />

envirorunentaJ. ctlD.sequences. Uan<br />

operator bas a .p.cial .ituation and can<br />

Justify nol usina dldusl.r equiPlllen~h•<br />

can requllt a vsnance uf the lutltorized<br />

npresentative .. datail.d elsewhere in<br />

this Order.<br />

. A,j 'lI8B..ted In a COIl1ll\.D~ the<br />

minilllum .tand.rd for containment <strong>of</strong><br />

:Ulting. and the circulaling m.dium has<br />

'een am.nded to .p.cify the ",quired<br />

mode 01 containmen~<br />

Sev.~l comm.nts dealt wilh thl drafl<br />

lllinimum Itandard requiring en<br />

. aulometic igniter and a contiDuous pilot<br />

lishl on the blouie line. Thi. Ilandard<br />

has b.en mocliJied 10 pruvide that eith.r<br />

<strong>of</strong> the•• methods is acceptable rath.r<br />

!han both being requir.d. Under c"tain<br />

circum.tancII the authorized afficer<br />

mlY require botA in approvin8 a<br />

particular APO iI redundancy is<br />

desirable: however. il II not D.ICeSlar/<br />

to requiro both.. a minimum Itandard.<br />

. AI tho lugestion <strong>of</strong>••v.ral<br />

commenl•• the minimum slandard<br />

concoming mud lnil

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