Claims (15)
1. Plutajuća jedinica za offshore operacije na bušenju koja sadrži najmanje jednu plutajuću konstrukciju (2) koja definira glavnu palubu (3), iznad koje se postavlja bušilica (4) i najmanje jedan toranj za bušenje (5) s kutijom, poput konstrukcije koja se proteže iznad bušilice (4) pored barem jednog središnjeg otvora za bušenje (6) koji okomito prelazi plutajuću strukturu na bušilici (4) do dna (8) navedene plutajuće konstrukcije, pri čemu je toranj za bušenje (5) izravno potpomognut potpornom konstrukcijom (10) koja je strukturno integrirana s plutajućom strukturom (2) i pri čemu potporna konstrukcija (10) tornja za bušenje (5) i / ili tornjeva za bušenje (5) prelazi pod za bušenje (4), pri čemu je konstrukcija za bušenje potpomognuta potpornom konstrukcijom (10) kule i / ili pomoću samog tornja za bušenje, potporna konstrukcija (10) tornja koja se proteže okomito unutar plutajuće konstrukcije (2), pri čemu:
- potporna konstrukcija (10) je strukturno integrirana s tim da je glavna paluba (3) oslonjena na nju; ili
- plutajuća struktura (2) definira jednu ili više sekundarnih paluba (7) smještenih ispod glavne palube (3), pri čemu je potporna konstrukcija (10) tornja konstruktivno integrirana s jednom od navedenih sekundarnih paluba (7) koji su na njima naslonjeni; ili
- plutajuća konstrukcija (2) je opremljena dnom (8) potporne konstrukcije (10) kule koja je strukturno integrirana s dnom (8) plutajuće konstrukcije (2) na njoj,
pri čemu potporna konstrukcija (10) kule (5) sadržava glavni dio (11) koji se proteže duž glavne produžne osovine (X), bočno u odnosu na navedeni središnji otvor za bušenje (6),
naznačen time što potporna konstrukcija (10) kule (5) sadrži dio (12) sučelja i veze s bazom (5 ') tornja za bušenja (5), navedeni dio sučelja (12) pomaknuta u odnosu na glavnu okomitu produžnu os (X) potporne konstrukcije (10) i barem se djelomično preklapa sa središnjim otvorom za bušenje (6), tako da pomoću sučelja (12) dio potporne strukture (10) podupire toranj (5) barem djelomično da se nadvisuje nad središnjim otvorom za bušenje (6).1. A floating unit for offshore drilling operations comprising at least one floating structure (2) defining a main deck (3), above which a drilling rig (4) is placed and at least one drilling tower (5) with a box, such as a structure that extending above the drill (4) past at least one central drilling hole (6) that vertically crosses the floating structure on the drill (4) to the bottom (8) of said floating structure, the drilling tower (5) being directly supported by the support structure (10) ) which is structurally integrated with the floating structure (2) and wherein the support structure (10) of the drilling tower (5) and/or the drilling towers (5) crosses the drilling floor (4), wherein the drilling structure is supported by a support by the structure (10) of the tower and / or by means of the drilling tower itself, the support structure (10) of the tower extending vertically inside the floating structure (2), whereby:
- the support structure (10) is structurally integrated with the fact that the main deck (3) rests on it; or
- the floating structure (2) defines one or more secondary decks (7) located below the main deck (3), whereby the supporting structure (10) of the tower is structurally integrated with one of the mentioned secondary decks (7) that rest on them; or
- the floating structure (2) is equipped with the bottom (8) of the supporting structure (10) of the tower, which is structurally integrated with the bottom (8) of the floating structure (2) on it,
wherein the supporting structure (10) of the tower (5) comprises a main part (11) extending along the main extension shaft (X), laterally in relation to said central drilling hole (6),
characterized in that the support structure (10) of the tower (5) contains a part (12) of the interface and connection with the base (5') of the drilling tower (5), the said part of the interface (12) displaced in relation to the main vertical extension axis (X) of the support structure (10) and at least partially overlaps the central drilling hole (6), so that by means of the interface (12) a part of the support structure (10) supports the tower (5) at least partially to overhang the central drilling hole (6) .
2. Plutajuća jedinica sukladno jednom ili više prethodnih zahtjeva, pri čemu je potporna konstrukcija (10) tornja konstrukcija stupa.2. A floating unit according to one or more of the previous requirements, wherein the support structure (10) is a tower column structure.
3. Plutajuća jedinica sukladno jednom ili više prethodnih zahtjeva, naznačena time, da je potporna konstrukcija (10) tornja cjevasta ili kutijasta struktura.3. Floating unit according to one or more of the preceding claims, characterized in that the supporting structure (10) of the tower is a tubular or box structure.
4. Plutajuća jedinica sukladno jednom ili više prethodnih zahtjeva, naznačena time što je toranj za bušenje (5) opremljen najmanje jednom podiznom kukom (50) žice za bušenje, koji je povezan s vrhom tornja (5) i smješten izvana prema njemu i pri čemu se navedeni dio sučelja (12) proteže u središnjem otvoru za bušenje tako da se podizna kuka (50) nalazi nad središnjim otvorom za bušenje (6), i po mogućnosti je poravnata s glavnim vertikalnim produžetkom osi (Y) navedenog otvora za bušenje. 4. A floating unit according to one or more of the preceding claims, characterized in that the drilling tower (5) is equipped with at least one lifting hook (50) of the drilling wire, which is connected to the top of the tower (5) and is located outside towards it and wherein said interface part (12) extends in the central drilling hole so that the lifting hook (50) is above the central drilling hole (6), and is preferably aligned with the main vertical extension of the axis (Y) of said drilling hole.
5. Plutajuća jedinica sukladno jednom ili više prethodnih zahtjeva, naznačena time što je toranj (5) postavljen okomito na dio sučelja (12) potporne konstrukcije (10).5. A floating unit according to one or more of the preceding claims, characterized in that the tower (5) is placed perpendicular to the interface part (12) of the support structure (10).
6. Plutajuća jedinica sukladno jednom ili više zahtjeva pri čemu noseća konstrukcija (10) tornja (5) sadrži uklapajući dio (13) između glavnog dijela (11) i dijela sučelja (12), pri čemu se navedeni odgovarajući dio (13) proteže od glavnog dijela (11) prema središnjem otvoru za bušenje (6) i odstupa od glavne okomite produžne osi (X) potporne konstrukcije (10) tornja (5).6. A floating unit according to one or more claims, wherein the supporting structure (10) of the tower (5) comprises a fitting part (13) between the main part (11) and the interface part (12), wherein said matching part (13) extends from of the main part (11) towards the central drilling hole (6) and deviates from the main vertical extension axis (X) of the support structure (10) of the tower (5).
7. Plutajuća jedinica sukladno jednom ili više prethodnih zahtjeva, pri čemu baza (5 ') tornja (5) i dio sučelja (12) potporne konstrukcije (10) prodiru jedan u drugi.7. A floating unit according to one or more of the preceding claims, wherein the base (5') of the tower (5) and the interface part (12) of the support structure (10) penetrate each other.
8. Plutajuća jedinica sukladno jednom ili više prethodnih zahtjeva, pri čemu je baza (5 ') tornja (5) pričvršćena na dio sučelja (12) pomoću prirubnica spojnice.8. A floating unit according to one or more of the preceding claims, wherein the base (5') of the tower (5) is attached to the interface part (12) by means of coupling flanges.
9. Plutajuća jedinica sukladno jednom ili više prethodnih zahtjeva, naznačena time što je to brod (1), koji sadrži trup koji se proteže uzdužnom osi (Z) između pramca (21) i krme (22), navedena plutajuća konstrukcija je trup (2) broda (1).9. A floating unit according to one or more of the preceding claims, indicated by the fact that it is a ship (1), which contains a hull that extends along the longitudinal axis (Z) between the bow (21) and the stern (22), said floating structure is the hull (2) ) of the ship (1).
10. Plutajuća jedinica sukladno patentnom zahtjevu 9, pri čemu je navedeni najmanje jedan toranj za bušenje (5) smješten simetrično u odnosu na uzdužnu središnju os (Z) broda (1), toranj (5) je pomaknut prema prvoj strani (23) broda.10. Floating unit according to patent claim 9, wherein at least one drilling tower (5) is located symmetrically in relation to the longitudinal central axis (Z) of the ship (1), the tower (5) is moved towards the first side (23) of the ship .
11. Plutajuća jedinica sukladno patentnom zahtjevu 10, pri čemu je pod za bušenje (4) potpomognut najmanje jednim strukturnim potpornim elementom (30) koji se proteže okomito od glavne palube (3) pored druge strane (24) broda, nasuprot bušilice (5) u odnosu na uzdužnu os (Z) uzdužne središnje linije broda (1).11. A floating unit according to patent claim 10, wherein the drilling floor (4) is supported by at least one structural support element (30) extending vertically from the main deck (3) past the other side (24) of the ship, opposite the drill (5). in relation to the longitudinal axis (Z) of the longitudinal centerline of the ship (1).
12. Plutajuća jedinica sukladno zahtjevu 11, pri čemu je navedeni konstrukcijski potporni element (30) sastavljen od zida koji ograničava područje skladištenja i montaže žica za bušenje do tornja (5).12. Floating unit according to claim 11, wherein said structural support element (30) is composed of a wall that limits the area of storage and assembly of drill wires to the tower (5).
13. Plutajuća jedinica sukladno zahtjevu 12, naznačena time što se navedeni zid pruža vertikalno izvan bušenja (4).13. Floating unit according to claim 12, characterized in that said wall extends vertically outside the drilling (4).
14. Plutajuća jedinica sukladno patentnom zahtjevu 13, pri čemu je barem jedan toranj za bušenje (5) smješten na uzdužnoj središnjoj osi (Z) broda.14. Floating unit according to patent claim 13, wherein at least one drilling tower (5) is located on the longitudinal central axis (Z) of the ship.
15. Plutajuća jedinica sukladno jednom ili više zahtjeva 1 do 8, naznačena time što je polu-potopna platforma (100).15. Floating unit according to one or more claims 1 to 8, characterized in that it is a semi-submersible platform (100).