Derrick/ Mast and Substructure Mechanical and Structural Systems Only Presented by W . Lee Guice with Guice Engineering Inc.
Co ve rs ma sts, de rric ks a nd a c c e sso rie s Co ve rs sub struc ture s a nd a c c e sso rie s Do e s NOT a ddre ss muc h o n c a rrie rs a nd a nc illa ry de vic e s fo r po rta b le ma sts, i.e . c a rrie r fra me , tire s, a nc ho r po ints, wo rk pla tfo rm, g uying F o ur I nspe c tio n L e ve ls: Ca t I is DAI L Y (no do c ume nta tio n re q uire d) Ca t II is a t rig - up (no do c ume nta tio n re q uire d) Ca t III e ve ry 730 o pe ra ting da ys (do c ume nta tio n re q uire d) Ca t IV e ve ry 3650 o pe ra ting da ys
Sig nific a nt we a kne ss in ide ntifying c a pa b ilitie s o f ne c e ssa ry q ua lific a tio ns o f c ra ftsme n (pa rtic ula rly we lde rs) to pe rfo rm re pa irs Go o d de finitio n o f re q uire d re c o rds Ove rla ps with RP 8B o n c ro wn b lo c ks a nd she a ve s a nd o n de a d line a nc ho rs. 8B ha s mo re rig id re q uire me nts a nd tig hte r fre q ue nc ie s Do e s NOT a ddre ss dra w wo rks o r b ra ke s, o r ro ta ry ta b le s a nd c o mpo ne nts
Co ve rs: a . ro ta ry ta b le s b . ro ta ry b ushing s c . ro ta ry slips d . ro ta ry ho se s e . slush pump c o mpo ne nts dra w wo rks c o mpo ne nts f. g . spide rs h. ma nua l to ng s sa fe ty c la mps i.
F o ur inspe c tio n le ve ls: Cat I is “fix it if it b re a ks” Cat II is “fix it if it’ s b e nt o r b ro ke n” Cat III is “ta ke it a pa rt a nd lo o k a t it b e fo re it b re a ks” Cat IV is “ta ke it a pa rt a nd c o nduc t NDE o n a ll lo a d b e a ring pa rts b e fo re it b re a ks”
F re q ue nc y: “Owne r o r use r sho uld de ve lo p his o wn fre q ue nc y” Owne r o r use r de ve lo ps its o wn do c ume nta tio n pro c e dure Va lida tio n o f “q ua lifie d pe rso nne l” is e q ua l to tha t re q uire d o f a fo rtune te lle r o r pa lm re a de r I ssue d in 1995, ha s no t b e e n upda te d o r re vise d
Ba sic a lly c o ve rs a ll drilling a nd pro duc tio n me c ha nic a l e q uipme nt ho isting e q uipme nt, inc luding ite ms a lso c o ve re d in API RP 4G Do e s NOT a ddre ss to p drive s o r to p drive tra c ks Do e s NOT a ddre ss mud syste m Do e s NOT a ddre ss dra w wo rks o r b ra ke s
F o ur inspe c tio n le ve ls: Cat I is b a sic a lly wa tc h it da ily during o pe ra tio n Cat II is up- c lo se visua l inspe c tio n Cat III re q uire s so me disa sse mb ly a nd NDE o f c ritic a l a re a s Cat IV re q uire s re mo va l a nd disa sse mb ly in c o ntro lle d e nviro nme nt a s we ll a s NDE
Ca t I V inc lude d re pa ir a s pe r ma nufa c ture r’ s re c o mme nda tio ns F re q ue nc y ra ng e s fro m da ily to e ve ry five ye a rs, a nd is de fine d in T a b le 1. Mo st e q uipme nt re q uire s a Ca t I I I e ve ry six mo nths Do c ume nta tio n re q uire d a s de sire d, b ut sho uld inc lude re c o rds o f re pa irs a nd o f q ua lific a tio ns o f pe rso nne l pe rfo rming re pa irs
Co ve rs c a re a nd use o f wire ro pe , inc luding drill line s a s we ll a s ra ising line s, g uy line s, e tc . T his is ve ry te c hnic a l do c ume nt tha t is usua lly we ll- o b e ye d in te rms o f drill line . Co mplia nc e fo r o the r use s is spo tty, a nd de pe nds o n ho w we ll info rme d a nd re spo nsib le the e q uipme nt o pe ra to r is F re q ue ntly ig no re d, pa rtic ula rly b y sma lle r o pe ra to rs, with re spe c t to g uying a nd o the r ro pe s, a nd in a tta c hme nt o f c lips T he re is a sig nific a nt we a kne ss in de sig ning a nd using she a ve s fo r ra ising line syste ms, a s the usa g e is c o mple te ly o ff the c ha rt. She a ve s b ig e no ug h to a c c o mmo da te the re q uire d line s in te rms o f stre ng th will no t fit the a pplic a tio ns.
T his do c ume nt a ddre sse s API c o mplia nc e to OSHA re q uire me nts a s the y pe rta in to the drilling industry. I t inc lude s fa ll pro te c tio n, c o nfine d spa c e s, e tc . e a c h o f whic h ha s its o wn pa rtic ula r re q uire me nts.
SUGGE ST IONS: I ssue a nd Pub lish a mo nthly list o f c o mpa nie s tha t ha ve c urre nt inspe c tio ns o n a ll rig s in se rvic e Add (vo lunta ry) ve rb ia g e to sta nda rd I ADC Drilling c o ntra c t re . listing o f c urre nt inspe c tio ns a nd sta tus the re o f. T his c a lls it to the a tte ntio n o f the pro duc tio n c o mpa ny. E sta b lish sta nda rds fo r te sting o f we lde rs inc luding c e rtific a tio n pro c e dure Cre a te a ta b le (se e a tta c he d ROUGH o utline ) listing • c o mpo ne nts, sta nda rd unde r whic h e a c h is a ddre sse d W. L e e Guic e , P.E .
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